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Finding the Fourth Proportional to 491,565.58, 737,388.16 and 136,579.64

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Solution

The fourth proportional to 491,565.58, 737,388.16 and 136,579.64 is: 204,880.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,565.58 : 737,388.16 = 136,579.64 : x
  2. Step 2: Convert to fraction form
    491,565.58/737,388.16 = 136,579.64/x
  3. Step 3: Cross multiply
    491,565.58x = 737,388.16 × 136,579.64
  4. Step 4: Simplify right side
    491,565.58x = 100,712,205,404.67
  5. Step 5: Solve for x
    x = 100,712,205,404.67/491,565.58
  6. Step 6: Final answer
    x = 204,880.51

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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.