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Finding the Fourth Proportional to 498,626.04, 748,211.22 and 288,674.04

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Solution

The fourth proportional to 498,626.04, 748,211.22 and 288,674.04 is: 433,168.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,626.04 : 748,211.22 = 288,674.04 : x
  2. Step 2: Convert to fraction form
    498,626.04/748,211.22 = 288,674.04/x
  3. Step 3: Cross multiply
    498,626.04x = 748,211.22 × 288,674.04
  4. Step 4: Simplify right side
    498,626.04x = 215,989,155,650.73
  5. Step 5: Solve for x
    x = 215,989,155,650.73/498,626.04
  6. Step 6: Final answer
    x = 433,168.62

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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.