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Finding the Fourth Proportional to 367,009.35, 550,514.03 and 260,721.15

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Solution

The fourth proportional to 367,009.35, 550,514.03 and 260,721.15 is: 391,081.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,009.35 : 550,514.03 = 260,721.15 : x
  2. Step 2: Convert to fraction form
    367,009.35/550,514.03 = 260,721.15/x
  3. Step 3: Cross multiply
    367,009.35x = 550,514.03 × 260,721.15
  4. Step 4: Simplify right side
    367,009.35x = 143,530,650,992.74
  5. Step 5: Solve for x
    x = 143,530,650,992.74/367,009.35
  6. Step 6: Final answer
    x = 391,081.73

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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.