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Finding the Fourth Proportional to 238,862.46, 358,355.25 and 171,472.62

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Solution

The fourth proportional to 238,862.46, 358,355.25 and 171,472.62 is: 257,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,862.46 : 358,355.25 = 171,472.62 : x
  2. Step 2: Convert to fraction form
    238,862.46/358,355.25 = 171,472.62/x
  3. Step 3: Cross multiply
    238,862.46x = 358,355.25 × 171,472.62
  4. Step 4: Simplify right side
    238,862.46x = 61,448,113,608.26
  5. Step 5: Solve for x
    x = 61,448,113,608.26/238,862.46
  6. Step 6: Final answer
    x = 257,253.12

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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.