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Finding the Fourth Proportional to 880,562.88, 1,320,793.72 and 523,004.92

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Solution

The fourth proportional to 880,562.88, 1,320,793.72 and 523,004.92 is: 784,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,562.88 : 1,320,793.72 = 523,004.92 : x
  2. Step 2: Convert to fraction form
    880,562.88/1,320,793.72 = 523,004.92/x
  3. Step 3: Cross multiply
    880,562.88x = 1,320,793.72 × 523,004.92
  4. Step 4: Simplify right side
    880,562.88x = 690,781,609,255.61
  5. Step 5: Solve for x
    x = 690,781,609,255.61/880,562.88
  6. Step 6: Final answer
    x = 784,477.32

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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.