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Finding the Fourth Proportional to 557,597.60, 836,428.48 and 158,207.12

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Solution

The fourth proportional to 557,597.60, 836,428.48 and 158,207.12 is: 237,319.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,597.60 : 836,428.48 = 158,207.12 : x
  2. Step 2: Convert to fraction form
    557,597.60/836,428.48 = 158,207.12/x
  3. Step 3: Cross multiply
    557,597.60x = 836,428.48 × 158,207.12
  4. Step 4: Simplify right side
    557,597.60x = 132,328,940,906.78
  5. Step 5: Solve for x
    x = 132,328,940,906.78/557,597.60
  6. Step 6: Final answer
    x = 237,319.78

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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.