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Finding the Fourth Proportional to 529,472.70, 730,616.56 and 314,583.55

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Solution

The fourth proportional to 529,472.70, 730,616.56 and 314,583.55 is: 434,092.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,472.70 : 730,616.56 = 314,583.55 : x
  2. Step 2: Convert to fraction form
    529,472.70/730,616.56 = 314,583.55/x
  3. Step 3: Cross multiply
    529,472.70x = 730,616.56 × 314,583.55
  4. Step 4: Simplify right side
    529,472.70x = 229,839,948,520.59
  5. Step 5: Solve for x
    x = 229,839,948,520.59/529,472.70
  6. Step 6: Final answer
    x = 434,092.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.