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Finding the Fourth Proportional to 498,317.90, 747,476.85 and 468,793.40

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Solution

The fourth proportional to 498,317.90, 747,476.85 and 468,793.40 is: 703,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,317.90 : 747,476.85 = 468,793.40 : x
  2. Step 2: Convert to fraction form
    498,317.90/747,476.85 = 468,793.40/x
  3. Step 3: Cross multiply
    498,317.90x = 747,476.85 × 468,793.40
  4. Step 4: Simplify right side
    498,317.90x = 350,412,213,932.79
  5. Step 5: Solve for x
    x = 350,412,213,932.79/498,317.90
  6. Step 6: Final answer
    x = 703,190.10

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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.