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Finding the Fourth Proportional to 498,625.04, 748,209.72 and 288,673.04

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Solution

The fourth proportional to 498,625.04, 748,209.72 and 288,673.04 is: 433,167.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,625.04 : 748,209.72 = 288,673.04 : x
  2. Step 2: Convert to fraction form
    498,625.04/748,209.72 = 288,673.04/x
  3. Step 3: Cross multiply
    498,625.04x = 748,209.72 × 288,673.04
  4. Step 4: Simplify right side
    498,625.04x = 215,987,974,429.95
  5. Step 5: Solve for x
    x = 215,987,974,429.95/498,625.04
  6. Step 6: Final answer
    x = 433,167.12

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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.