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Finding the Fourth Proportional to 587,439.70, 881,451.15 and 232,465.30

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Solution

The fourth proportional to 587,439.70, 881,451.15 and 232,465.30 is: 348,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,439.70 : 881,451.15 = 232,465.30 : x
  2. Step 2: Convert to fraction form
    587,439.70/881,451.15 = 232,465.30/x
  3. Step 3: Cross multiply
    587,439.70x = 881,451.15 × 232,465.30
  4. Step 4: Simplify right side
    587,439.70x = 204,906,806,020.10
  5. Step 5: Solve for x
    x = 204,906,806,020.10/587,439.70
  6. Step 6: Final answer
    x = 348,813.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.