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Finding the Fourth Proportional to 436,901.30, 655,132.77 and 254,591.16

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Solution

The fourth proportional to 436,901.30, 655,132.77 and 254,591.16 is: 381,759.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,901.30 : 655,132.77 = 254,591.16 : x
  2. Step 2: Convert to fraction form
    436,901.30/655,132.77 = 254,591.16/x
  3. Step 3: Cross multiply
    436,901.30x = 655,132.77 × 254,591.16
  4. Step 4: Simplify right side
    436,901.30x = 166,791,011,868.31
  5. Step 5: Solve for x
    x = 166,791,011,868.31/436,901.30
  6. Step 6: Final answer
    x = 381,759.02

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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.