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Finding the Fourth Proportional to 313,456.93, 432,575.71 and 177,487.29

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Solution

The fourth proportional to 313,456.93, 432,575.71 and 177,487.29 is: 244,935.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,456.93 : 432,575.71 = 177,487.29 : x
  2. Step 2: Convert to fraction form
    313,456.93/432,575.71 = 177,487.29/x
  3. Step 3: Cross multiply
    313,456.93x = 432,575.71 × 177,487.29
  4. Step 4: Simplify right side
    313,456.93x = 76,776,690,044.01
  5. Step 5: Solve for x
    x = 76,776,690,044.01/313,456.93
  6. Step 6: Final answer
    x = 244,935.37

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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.