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Finding the Fourth Proportional to 704,200.80, 1,055,264.40 and 598,447.20

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Solution

The fourth proportional to 704,200.80, 1,055,264.40 and 598,447.20 is: 896,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,200.80 : 1,055,264.40 = 598,447.20 : x
  2. Step 2: Convert to fraction form
    704,200.80/1,055,264.40 = 598,447.20/x
  3. Step 3: Cross multiply
    704,200.80x = 1,055,264.40 × 598,447.20
  4. Step 4: Simplify right side
    704,200.80x = 631,520,025,439.68
  5. Step 5: Solve for x
    x = 631,520,025,439.68/704,200.80
  6. Step 6: Final answer
    x = 896,789.70

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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.