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Finding the Fourth Proportional to 436,591.12, 655,046.16 and 183,934.90

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Solution

The fourth proportional to 436,591.12, 655,046.16 and 183,934.90 is: 275,969.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,591.12 : 655,046.16 = 183,934.90 : x
  2. Step 2: Convert to fraction form
    436,591.12/655,046.16 = 183,934.90/x
  3. Step 3: Cross multiply
    436,591.12x = 655,046.16 × 183,934.90
  4. Step 4: Simplify right side
    436,591.12x = 120,485,849,934.98
  5. Step 5: Solve for x
    x = 120,485,849,934.98/436,591.12
  6. Step 6: Final answer
    x = 275,969.54

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1.5x scale

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.