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Finding the Fourth Proportional to 425,486.56, 587,147.52 and 234,499.36

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Solution

The fourth proportional to 425,486.56, 587,147.52 and 234,499.36 is: 323,595.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,486.56 : 587,147.52 = 234,499.36 : x
  2. Step 2: Convert to fraction form
    425,486.56/587,147.52 = 234,499.36/x
  3. Step 3: Cross multiply
    425,486.56x = 587,147.52 × 234,499.36
  4. Step 4: Simplify right side
    425,486.56x = 137,685,717,665.59
  5. Step 5: Solve for x
    x = 137,685,717,665.59/425,486.56
  6. Step 6: Final answer
    x = 323,595.93

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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.