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Finding the Fourth Proportional to 425,337.87, 586,992.38 and 234,351.21

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Solution

The fourth proportional to 425,337.87, 586,992.38 and 234,351.21 is: 323,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,337.87 : 586,992.38 = 234,351.21 : x
  2. Step 2: Convert to fraction form
    425,337.87/586,992.38 = 234,351.21/x
  3. Step 3: Cross multiply
    425,337.87x = 586,992.38 × 234,351.21
  4. Step 4: Simplify right side
    425,337.87x = 137,562,373,342.02
  5. Step 5: Solve for x
    x = 137,562,373,342.02/425,337.87
  6. Step 6: Final answer
    x = 323,419.06

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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.