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Finding the Fourth Proportional to 438,841.66, 658,229.67 and 158,358.91

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Solution

The fourth proportional to 438,841.66, 658,229.67 and 158,358.91 is: 237,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,841.66 : 658,229.67 = 158,358.91 : x
  2. Step 2: Convert to fraction form
    438,841.66/658,229.67 = 158,358.91/x
  3. Step 3: Cross multiply
    438,841.66x = 658,229.67 × 158,358.91
  4. Step 4: Simplify right side
    438,841.66x = 104,236,533,070.86
  5. Step 5: Solve for x
    x = 104,236,533,070.86/438,841.66
  6. Step 6: Final answer
    x = 237,526.52

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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.