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Finding the Fourth Proportional to 801,232, 1,200,120.18 and 754,124.02

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Solution

The fourth proportional to 801,232, 1,200,120.18 and 754,124.02 is: 1,129,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,232 : 1,200,120.18 = 754,124.02 : x
  2. Step 2: Convert to fraction form
    801,232/1,200,120.18 = 754,124.02/x
  3. Step 3: Cross multiply
    801,232x = 1,200,120.18 × 754,124.02
  4. Step 4: Simplify right side
    801,232x = 905,039,454,624.72
  5. Step 5: Solve for x
    x = 905,039,454,624.72/801,232
  6. Step 6: Final answer
    x = 1,129,559.80

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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.