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Finding the Fourth Proportional to 425,502.70, 587,197.30 and 234,516.58

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Solution

The fourth proportional to 425,502.70, 587,197.30 and 234,516.58 is: 323,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,502.70 : 587,197.30 = 234,516.58 : x
  2. Step 2: Convert to fraction form
    425,502.70/587,197.30 = 234,516.58/x
  3. Step 3: Cross multiply
    425,502.70x = 587,197.30 × 234,516.58
  4. Step 4: Simplify right side
    425,502.70x = 137,707,502,581.23
  5. Step 5: Solve for x
    x = 137,707,502,581.23/425,502.70
  6. Step 6: Final answer
    x = 323,634.85

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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.