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Finding the Fourth Proportional to 871,539.04, 1,202,854.80 and 532,203.04

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Solution

The fourth proportional to 871,539.04, 1,202,854.80 and 532,203.04 is: 734,520.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,539.04 : 1,202,854.80 = 532,203.04 : x
  2. Step 2: Convert to fraction form
    871,539.04/1,202,854.80 = 532,203.04/x
  3. Step 3: Cross multiply
    871,539.04x = 1,202,854.80 × 532,203.04
  4. Step 4: Simplify right side
    871,539.04x = 640,162,981,238.59
  5. Step 5: Solve for x
    x = 640,162,981,238.59/871,539.04
  6. Step 6: Final answer
    x = 734,520.14

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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.