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Finding the Fourth Proportional to 587,165.82, 881,087.76 and 317,294.88

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Solution

The fourth proportional to 587,165.82, 881,087.76 and 317,294.88 is: 476,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,165.82 : 881,087.76 = 317,294.88 : x
  2. Step 2: Convert to fraction form
    587,165.82/881,087.76 = 317,294.88/x
  3. Step 3: Cross multiply
    587,165.82x = 881,087.76 × 317,294.88
  4. Step 4: Simplify right side
    587,165.82x = 279,564,635,078.67
  5. Step 5: Solve for x
    x = 279,564,635,078.67/587,165.82
  6. Step 6: Final answer
    x = 476,125.53

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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.