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Finding the Fourth Proportional to 417,792.87, 576,493.34 and 238,910.31

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Solution

The fourth proportional to 417,792.87, 576,493.34 and 238,910.31 is: 329,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,792.87 : 576,493.34 = 238,910.31 : x
  2. Step 2: Convert to fraction form
    417,792.87/576,493.34 = 238,910.31/x
  3. Step 3: Cross multiply
    417,792.87x = 576,493.34 × 238,910.31
  4. Step 4: Simplify right side
    417,792.87x = 137,730,201,377.78
  5. Step 5: Solve for x
    x = 137,730,201,377.78/417,792.87
  6. Step 6: Final answer
    x = 329,661.45

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