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Finding the Fourth Proportional to 516,687.28, 775,205.88 and 232,348.12

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Solution

The fourth proportional to 516,687.28, 775,205.88 and 232,348.12 is: 348,600.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,687.28 : 775,205.88 = 232,348.12 : x
  2. Step 2: Convert to fraction form
    516,687.28/775,205.88 = 232,348.12/x
  3. Step 3: Cross multiply
    516,687.28x = 775,205.88 × 232,348.12
  4. Step 4: Simplify right side
    516,687.28x = 180,117,628,830.95
  5. Step 5: Solve for x
    x = 180,117,628,830.95/516,687.28
  6. Step 6: Final answer
    x = 348,600.86

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1.5x scale

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.