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Finding the Fourth Proportional to 491,406.33, 737,113.59 and 136,448.04

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Solution

The fourth proportional to 491,406.33, 737,113.59 and 136,448.04 is: 204,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,406.33 : 737,113.59 = 136,448.04 : x
  2. Step 2: Convert to fraction form
    491,406.33/737,113.59 = 136,448.04/x
  3. Step 3: Cross multiply
    491,406.33x = 737,113.59 × 136,448.04
  4. Step 4: Simplify right side
    491,406.33x = 100,577,704,612.86
  5. Step 5: Solve for x
    x = 100,577,704,612.86/491,406.33
  6. Step 6: Final answer
    x = 204,673.20

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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.