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Finding the Fourth Proportional to 425,748.51, 587,502.90 and 234,757.80

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Solution

The fourth proportional to 425,748.51, 587,502.90 and 234,757.80 is: 323,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,748.51 : 587,502.90 = 234,757.80 : x
  2. Step 2: Convert to fraction form
    425,748.51/587,502.90 = 234,757.80/x
  3. Step 3: Cross multiply
    425,748.51x = 587,502.90 × 234,757.80
  4. Step 4: Simplify right side
    425,748.51x = 137,920,888,297.62
  5. Step 5: Solve for x
    x = 137,920,888,297.62/425,748.51
  6. Step 6: Final answer
    x = 323,949.20

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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.