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Finding the Fourth Proportional to 629,789.34, 868,574.43 and 532,150.94

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Solution

The fourth proportional to 629,789.34, 868,574.43 and 532,150.94 is: 733,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,789.34 : 868,574.43 = 532,150.94 : x
  2. Step 2: Convert to fraction form
    629,789.34/868,574.43 = 532,150.94/x
  3. Step 3: Cross multiply
    629,789.34x = 868,574.43 × 532,150.94
  4. Step 4: Simplify right side
    629,789.34x = 462,212,695,041.59
  5. Step 5: Solve for x
    x = 462,212,695,041.59/629,789.34
  6. Step 6: Final answer
    x = 733,916.35

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Double scale
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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.