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Finding the Fourth Proportional to 491,995.13, 737,359.05 and 238,785.59

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Solution

The fourth proportional to 491,995.13, 737,359.05 and 238,785.59 is: 357,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,995.13 : 737,359.05 = 238,785.59 : x
  2. Step 2: Convert to fraction form
    491,995.13/737,359.05 = 238,785.59/x
  3. Step 3: Cross multiply
    491,995.13x = 737,359.05 × 238,785.59
  4. Step 4: Simplify right side
    491,995.13x = 176,070,715,796.09
  5. Step 5: Solve for x
    x = 176,070,715,796.09/491,995.13
  6. Step 6: Final answer
    x = 357,870.85

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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.