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Finding the Fourth Proportional to 955,862.70, 1,433,794.05 and 914,909.10

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Solution

The fourth proportional to 955,862.70, 1,433,794.05 and 914,909.10 is: 1,372,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,862.70 : 1,433,794.05 = 914,909.10 : x
  2. Step 2: Convert to fraction form
    955,862.70/1,433,794.05 = 914,909.10/x
  3. Step 3: Cross multiply
    955,862.70x = 1,433,794.05 × 914,909.10
  4. Step 4: Simplify right side
    955,862.70x = 1,311,791,223,870.86
  5. Step 5: Solve for x
    x = 1,311,791,223,870.86/955,862.70
  6. Step 6: Final answer
    x = 1,372,363.65

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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.