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Finding the Fourth Proportional to 498,233.40, 747,350.10 and 493,567.80

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Solution

The fourth proportional to 498,233.40, 747,350.10 and 493,567.80 is: 740,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,233.40 : 747,350.10 = 493,567.80 : x
  2. Step 2: Convert to fraction form
    498,233.40/747,350.10 = 493,567.80/x
  3. Step 3: Cross multiply
    498,233.40x = 747,350.10 × 493,567.80
  4. Step 4: Simplify right side
    498,233.40x = 368,867,944,686.78
  5. Step 5: Solve for x
    x = 368,867,944,686.78/498,233.40
  6. Step 6: Final answer
    x = 740,351.70

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Similar ratio
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1.5x scale

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.