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Finding the Fourth Proportional to 629,092.80, 943,639.20 and 334,180.80

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Solution

The fourth proportional to 629,092.80, 943,639.20 and 334,180.80 is: 501,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,092.80 : 943,639.20 = 334,180.80 : x
  2. Step 2: Convert to fraction form
    629,092.80/943,639.20 = 334,180.80/x
  3. Step 3: Cross multiply
    629,092.80x = 943,639.20 × 334,180.80
  4. Step 4: Simplify right side
    629,092.80x = 315,346,102,767.36
  5. Step 5: Solve for x
    x = 315,346,102,767.36/629,092.80
  6. Step 6: Final answer
    x = 501,271.20

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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.