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Finding the Fourth Proportional to 498,625.80, 747,938.70 and 444,712.20

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Solution

The fourth proportional to 498,625.80, 747,938.70 and 444,712.20 is: 667,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,625.80 : 747,938.70 = 444,712.20 : x
  2. Step 2: Convert to fraction form
    498,625.80/747,938.70 = 444,712.20/x
  3. Step 3: Cross multiply
    498,625.80x = 747,938.70 × 444,712.20
  4. Step 4: Simplify right side
    498,625.80x = 332,617,464,742.14
  5. Step 5: Solve for x
    x = 332,617,464,742.14/498,625.80
  6. Step 6: Final answer
    x = 667,068.30

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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.