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Finding the Fourth Proportional to 383,134.76, 574,702.29 and 158,248.05

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Solution

The fourth proportional to 383,134.76, 574,702.29 and 158,248.05 is: 237,372.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,134.76 : 574,702.29 = 158,248.05 : x
  2. Step 2: Convert to fraction form
    383,134.76/574,702.29 = 158,248.05/x
  3. Step 3: Cross multiply
    383,134.76x = 574,702.29 × 158,248.05
  4. Step 4: Simplify right side
    383,134.76x = 90,945,514,567.90
  5. Step 5: Solve for x
    x = 90,945,514,567.90/383,134.76
  6. Step 6: Final answer
    x = 237,372.13

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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.