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Finding the Fourth Proportional to 955,849.20, 1,433,773.80 and 914,895.60

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Solution

The fourth proportional to 955,849.20, 1,433,773.80 and 914,895.60 is: 1,372,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,849.20 : 1,433,773.80 = 914,895.60 : x
  2. Step 2: Convert to fraction form
    955,849.20/1,433,773.80 = 914,895.60/x
  3. Step 3: Cross multiply
    955,849.20x = 1,433,773.80 × 914,895.60
  4. Step 4: Simplify right side
    955,849.20x = 1,311,753,341,015.28
  5. Step 5: Solve for x
    x = 1,311,753,341,015.28/955,849.20
  6. Step 6: Final answer
    x = 1,372,343.40

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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.