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Finding the Fourth Proportional to 498,233.90, 747,350.85 and 453,133.10

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Solution

The fourth proportional to 498,233.90, 747,350.85 and 453,133.10 is: 679,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,233.90 : 747,350.85 = 453,133.10 : x
  2. Step 2: Convert to fraction form
    498,233.90/747,350.85 = 453,133.10/x
  3. Step 3: Cross multiply
    498,233.90x = 747,350.85 × 453,133.10
  4. Step 4: Simplify right side
    498,233.90x = 338,649,407,448.14
  5. Step 5: Solve for x
    x = 338,649,407,448.14/498,233.90
  6. Step 6: Final answer
    x = 679,699.65

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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.