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Finding the Fourth Proportional to 486,002.40, 728,906.40 and 233,282.40

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Solution

The fourth proportional to 486,002.40, 728,906.40 and 233,282.40 is: 349,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,002.40 : 728,906.40 = 233,282.40 : x
  2. Step 2: Convert to fraction form
    486,002.40/728,906.40 = 233,282.40/x
  3. Step 3: Cross multiply
    486,002.40x = 728,906.40 × 233,282.40
  4. Step 4: Simplify right side
    486,002.40x = 170,041,034,367.36
  5. Step 5: Solve for x
    x = 170,041,034,367.36/486,002.40
  6. Step 6: Final answer
    x = 349,876.94

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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.