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Finding the Fourth Proportional to 586,947.15, 880,609.68 and 267,213.42

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Solution

The fourth proportional to 586,947.15, 880,609.68 and 267,213.42 is: 400,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,947.15 : 880,609.68 = 267,213.42 : x
  2. Step 2: Convert to fraction form
    586,947.15/880,609.68 = 267,213.42/x
  3. Step 3: Cross multiply
    586,947.15x = 880,609.68 × 267,213.42
  4. Step 4: Simplify right side
    586,947.15x = 235,310,724,277.91
  5. Step 5: Solve for x
    x = 235,310,724,277.91/586,947.15
  6. Step 6: Final answer
    x = 400,906.15

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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.