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Finding the Fourth Proportional to 292,279.38, 437,152.52 and 172,049.86

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Solution

The fourth proportional to 292,279.38, 437,152.52 and 172,049.86 is: 257,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,279.38 : 437,152.52 = 172,049.86 : x
  2. Step 2: Convert to fraction form
    292,279.38/437,152.52 = 172,049.86/x
  3. Step 3: Cross multiply
    292,279.38x = 437,152.52 × 172,049.86
  4. Step 4: Simplify right side
    292,279.38x = 75,212,029,864.65
  5. Step 5: Solve for x
    x = 75,212,029,864.65/292,279.38
  6. Step 6: Final answer
    x = 257,329.24

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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.