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Finding the Fourth Proportional to 265,879.65, 398,819.48 and 242,551.65

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Solution

The fourth proportional to 265,879.65, 398,819.48 and 242,551.65 is: 363,827.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,879.65 : 398,819.48 = 242,551.65 : x
  2. Step 2: Convert to fraction form
    265,879.65/398,819.48 = 242,551.65/x
  3. Step 3: Cross multiply
    265,879.65x = 398,819.48 × 242,551.65
  4. Step 4: Simplify right side
    265,879.65x = 96,734,321,713.38
  5. Step 5: Solve for x
    x = 96,734,321,713.38/265,879.65
  6. Step 6: Final answer
    x = 363,827.48

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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.