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Finding the Fourth Proportional to 332,512.73, 457,901.08 and 288,885.10

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Solution

The fourth proportional to 332,512.73, 457,901.08 and 288,885.10 is: 397,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,512.73 : 457,901.08 = 288,885.10 : x
  2. Step 2: Convert to fraction form
    332,512.73/457,901.08 = 288,885.10/x
  3. Step 3: Cross multiply
    332,512.73x = 457,901.08 × 288,885.10
  4. Step 4: Simplify right side
    332,512.73x = 132,280,799,902.49
  5. Step 5: Solve for x
    x = 132,280,799,902.49/332,512.73
  6. Step 6: Final answer
    x = 397,821.76

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1.5x scale

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.