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Finding the Fourth Proportional to 425,447.85, 587,130.33 and 234,473.54

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Solution

The fourth proportional to 425,447.85, 587,130.33 and 234,473.54 is: 323,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,447.85 : 587,130.33 = 234,473.54 : x
  2. Step 2: Convert to fraction form
    425,447.85/587,130.33 = 234,473.54/x
  3. Step 3: Cross multiply
    425,447.85x = 587,130.33 × 234,473.54
  4. Step 4: Simplify right side
    425,447.85x = 137,666,526,916.47
  5. Step 5: Solve for x
    x = 137,666,526,916.47/425,447.85
  6. Step 6: Final answer
    x = 323,580.26

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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.