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Finding the Fourth Proportional to 300,791.47, 451,407.73 and 242,332.96

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Solution

The fourth proportional to 300,791.47, 451,407.73 and 242,332.96 is: 363,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,791.47 : 451,407.73 = 242,332.96 : x
  2. Step 2: Convert to fraction form
    300,791.47/451,407.73 = 242,332.96/x
  3. Step 3: Cross multiply
    300,791.47x = 451,407.73 × 242,332.96
  4. Step 4: Simplify right side
    300,791.47x = 109,390,971,377.78
  5. Step 5: Solve for x
    x = 109,390,971,377.78/300,791.47
  6. Step 6: Final answer
    x = 363,677.11

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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.