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Finding the Fourth Proportional to 498,318.59, 747,451.08 and 245,346.89

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Solution

The fourth proportional to 498,318.59, 747,451.08 and 245,346.89 is: 368,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,318.59 : 747,451.08 = 245,346.89 : x
  2. Step 2: Convert to fraction form
    498,318.59/747,451.08 = 245,346.89/x
  3. Step 3: Cross multiply
    498,318.59x = 747,451.08 × 245,346.89
  4. Step 4: Simplify right side
    498,318.59x = 183,384,794,167.89
  5. Step 5: Solve for x
    x = 183,384,794,167.89/498,318.59
  6. Step 6: Final answer
    x = 368,007.13

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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.