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Finding the Fourth Proportional to 888,344.66, 1,225,915.62 and 480,446.49

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Solution

The fourth proportional to 888,344.66, 1,225,915.62 and 480,446.49 is: 663,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,344.66 : 1,225,915.62 = 480,446.49 : x
  2. Step 2: Convert to fraction form
    888,344.66/1,225,915.62 = 480,446.49/x
  3. Step 3: Cross multiply
    888,344.66x = 1,225,915.62 × 480,446.49
  4. Step 4: Simplify right side
    888,344.66x = 588,986,856,665.17
  5. Step 5: Solve for x
    x = 588,986,856,665.17/888,344.66
  6. Step 6: Final answer
    x = 663,016.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.