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Finding the Fourth Proportional to 425,854.01, 587,674.08 and 234,863.30

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Solution

The fourth proportional to 425,854.01, 587,674.08 and 234,863.30 is: 324,108.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,854.01 : 587,674.08 = 234,863.30 : x
  2. Step 2: Convert to fraction form
    425,854.01/587,674.08 = 234,863.30/x
  3. Step 3: Cross multiply
    425,854.01x = 587,674.08 × 234,863.30
  4. Step 4: Simplify right side
    425,854.01x = 138,023,070,814.89
  5. Step 5: Solve for x
    x = 138,023,070,814.89/425,854.01
  6. Step 6: Final answer
    x = 324,108.89

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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.