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Finding the Fourth Proportional to 541,780.65, 813,003.14 and 242,514.27

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Solution

The fourth proportional to 541,780.65, 813,003.14 and 242,514.27 is: 363,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,780.65 : 813,003.14 = 242,514.27 : x
  2. Step 2: Convert to fraction form
    541,780.65/813,003.14 = 242,514.27/x
  3. Step 3: Cross multiply
    541,780.65x = 813,003.14 × 242,514.27
  4. Step 4: Simplify right side
    541,780.65x = 197,164,863,004.81
  5. Step 5: Solve for x
    x = 197,164,863,004.81/541,780.65
  6. Step 6: Final answer
    x = 363,920.09

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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.