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Finding the Fourth Proportional to 424,291.92, 636,714.74 and 158,265.24

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Solution

The fourth proportional to 424,291.92, 636,714.74 and 158,265.24 is: 237,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,291.92 : 636,714.74 = 158,265.24 : x
  2. Step 2: Convert to fraction form
    424,291.92/636,714.74 = 158,265.24/x
  3. Step 3: Cross multiply
    424,291.92x = 636,714.74 × 158,265.24
  4. Step 4: Simplify right side
    424,291.92x = 100,769,811,137.64
  5. Step 5: Solve for x
    x = 100,769,811,137.64/424,291.92
  6. Step 6: Final answer
    x = 237,501.13

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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.