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Finding the Fourth Proportional to 498,516.80, 747,775.20 and 444,603.20

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Solution

The fourth proportional to 498,516.80, 747,775.20 and 444,603.20 is: 666,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,516.80 : 747,775.20 = 444,603.20 : x
  2. Step 2: Convert to fraction form
    498,516.80/747,775.20 = 444,603.20/x
  3. Step 3: Cross multiply
    498,516.80x = 747,775.20 × 444,603.20
  4. Step 4: Simplify right side
    498,516.80x = 332,463,246,800.64
  5. Step 5: Solve for x
    x = 332,463,246,800.64/498,516.80
  6. Step 6: Final answer
    x = 666,904.80

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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.