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Finding the Fourth Proportional to 668,851.20, 1,002,522 and 332,132.16

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Solution

The fourth proportional to 668,851.20, 1,002,522 and 332,132.16 is: 497,823.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,851.20 : 1,002,522 = 332,132.16 : x
  2. Step 2: Convert to fraction form
    668,851.20/1,002,522 = 332,132.16/x
  3. Step 3: Cross multiply
    668,851.20x = 1,002,522 × 332,132.16
  4. Step 4: Simplify right side
    668,851.20x = 332,969,797,307.52
  5. Step 5: Solve for x
    x = 332,969,797,307.52/668,851.20
  6. Step 6: Final answer
    x = 497,823.43

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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.