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Finding the Fourth Proportional to 541,791.34, 812,740.47 and 186,758.62

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Solution

The fourth proportional to 541,791.34, 812,740.47 and 186,758.62 is: 280,156.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,791.34 : 812,740.47 = 186,758.62 : x
  2. Step 2: Convert to fraction form
    541,791.34/812,740.47 = 186,758.62/x
  3. Step 3: Cross multiply
    541,791.34x = 812,740.47 × 186,758.62
  4. Step 4: Simplify right side
    541,791.34x = 151,786,288,595.35
  5. Step 5: Solve for x
    x = 151,786,288,595.35/541,791.34
  6. Step 6: Final answer
    x = 280,156.36

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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.