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Finding the Fourth Proportional to 371,740.56, 557,859.96 and 238,714.25

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Solution

The fourth proportional to 371,740.56, 557,859.96 and 238,714.25 is: 358,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,740.56 : 557,859.96 = 238,714.25 : x
  2. Step 2: Convert to fraction form
    371,740.56/557,859.96 = 238,714.25/x
  3. Step 3: Cross multiply
    371,740.56x = 557,859.96 × 238,714.25
  4. Step 4: Simplify right side
    371,740.56x = 133,169,119,167.13
  5. Step 5: Solve for x
    x = 133,169,119,167.13/371,740.56
  6. Step 6: Final answer
    x = 358,231.34

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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.