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Finding the Fourth Proportional to 650,761.12, 895,339.92 and 573,945.76

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Solution

The fourth proportional to 650,761.12, 895,339.92 and 573,945.76 is: 789,654.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,761.12 : 895,339.92 = 573,945.76 : x
  2. Step 2: Convert to fraction form
    650,761.12/895,339.92 = 573,945.76/x
  3. Step 3: Cross multiply
    650,761.12x = 895,339.92 × 573,945.76
  4. Step 4: Simplify right side
    650,761.12x = 513,876,550,842.74
  5. Step 5: Solve for x
    x = 513,876,550,842.74/650,761.12
  6. Step 6: Final answer
    x = 789,654.66

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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.