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Finding the Fourth Proportional to 472,962.38, 708,853.10 and 236,372.72

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Solution

The fourth proportional to 472,962.38, 708,853.10 and 236,372.72 is: 354,263.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,962.38 : 708,853.10 = 236,372.72 : x
  2. Step 2: Convert to fraction form
    472,962.38/708,853.10 = 236,372.72/x
  3. Step 3: Cross multiply
    472,962.38x = 708,853.10 × 236,372.72
  4. Step 4: Simplify right side
    472,962.38x = 167,553,530,601.30
  5. Step 5: Solve for x
    x = 167,553,530,601.30/472,962.38
  6. Step 6: Final answer
    x = 354,263.97

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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.