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Finding the Fourth Proportional to 629,114.20, 883,248.20 and 629,114.20

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Solution

The fourth proportional to 629,114.20, 883,248.20 and 629,114.20 is: 883,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,114.20 : 883,248.20 = 629,114.20 : x
  2. Step 2: Convert to fraction form
    629,114.20/883,248.20 = 629,114.20/x
  3. Step 3: Cross multiply
    629,114.20x = 883,248.20 × 629,114.20
  4. Step 4: Simplify right side
    629,114.20x = 555,663,984,744.44
  5. Step 5: Solve for x
    x = 555,663,984,744.44/629,114.20
  6. Step 6: Final answer
    x = 883,248.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.