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Finding the Fourth Proportional to 629,928,000.45, 944,892,000.68 and 629,928,000.45

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Solution

The fourth proportional to 629,928,000.45, 944,892,000.68 and 629,928,000.45 is: 944,892,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,928,000.45 : 944,892,000.68 = 629,928,000.45 : x
  2. Step 2: Convert to fraction form
    629,928,000.45/944,892,000.68 = 629,928,000.45/x
  3. Step 3: Cross multiply
    629,928,000.45x = 944,892,000.68 × 629,928,000.45
  4. Step 4: Simplify right side
    629,928,000.45x = 595,213,928,626,402,816
  5. Step 5: Solve for x
    x = 595,213,928,626,402,816/629,928,000.45
  6. Step 6: Final answer
    x = 944,892,000.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.