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Finding the Fourth Proportional to 467,139.26, 644,652.14 and 252,279.29

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Solution

The fourth proportional to 467,139.26, 644,652.14 and 252,279.29 is: 348,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,139.26 : 644,652.14 = 252,279.29 : x
  2. Step 2: Convert to fraction form
    467,139.26/644,652.14 = 252,279.29/x
  3. Step 3: Cross multiply
    467,139.26x = 644,652.14 × 252,279.29
  4. Step 4: Simplify right side
    467,139.26x = 162,632,379,691.52
  5. Step 5: Solve for x
    x = 162,632,379,691.52/467,139.26
  6. Step 6: Final answer
    x = 348,145.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.