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Finding the Fourth Proportional to 629,472.38, 944,487.65 and 329,881.74

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Solution

The fourth proportional to 629,472.38, 944,487.65 and 329,881.74 is: 494,968.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,472.38 : 944,487.65 = 329,881.74 : x
  2. Step 2: Convert to fraction form
    629,472.38/944,487.65 = 329,881.74/x
  3. Step 3: Cross multiply
    629,472.38x = 944,487.65 × 329,881.74
  4. Step 4: Simplify right side
    629,472.38x = 311,569,229,390.51
  5. Step 5: Solve for x
    x = 311,569,229,390.51/629,472.38
  6. Step 6: Final answer
    x = 494,968.86

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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.