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Finding the Fourth Proportional to 371,654.62, 557,449.12 and 134,999.35

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Solution

The fourth proportional to 371,654.62, 557,449.12 and 134,999.35 is: 202,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,654.62 : 557,449.12 = 134,999.35 : x
  2. Step 2: Convert to fraction form
    371,654.62/557,449.12 = 134,999.35/x
  3. Step 3: Cross multiply
    371,654.62x = 557,449.12 × 134,999.35
  4. Step 4: Simplify right side
    371,654.62x = 75,255,269,580.71
  5. Step 5: Solve for x
    x = 75,255,269,580.71/371,654.62
  6. Step 6: Final answer
    x = 202,487.11

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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.