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Finding the Fourth Proportional to 502,879.36, 754,342.66 and 165,949.46

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Solution

The fourth proportional to 502,879.36, 754,342.66 and 165,949.46 is: 248,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,879.36 : 754,342.66 = 165,949.46 : x
  2. Step 2: Convert to fraction form
    502,879.36/754,342.66 = 165,949.46/x
  3. Step 3: Cross multiply
    502,879.36x = 754,342.66 × 165,949.46
  4. Step 4: Simplify right side
    502,879.36x = 125,182,757,081.96
  5. Step 5: Solve for x
    x = 125,182,757,081.96/502,879.36
  6. Step 6: Final answer
    x = 248,931.98

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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.