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Finding the Fourth Proportional to 499,867.71, 750,106.07 and 179,992.84

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Solution

The fourth proportional to 499,867.71, 750,106.07 and 179,992.84 is: 270,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,867.71 : 750,106.07 = 179,992.84 : x
  2. Step 2: Convert to fraction form
    499,867.71/750,106.07 = 179,992.84/x
  3. Step 3: Cross multiply
    499,867.71x = 750,106.07 × 179,992.84
  4. Step 4: Simplify right side
    499,867.71x = 135,013,720,940.58
  5. Step 5: Solve for x
    x = 135,013,720,940.58/499,867.71
  6. Step 6: Final answer
    x = 270,098.90

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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.