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Finding the Fourth Proportional to 540,791.66, 811,125.52 and 141,470.97

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Solution

The fourth proportional to 540,791.66, 811,125.52 and 141,470.97 is: 212,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,791.66 : 811,125.52 = 141,470.97 : x
  2. Step 2: Convert to fraction form
    540,791.66/811,125.52 = 141,470.97/x
  3. Step 3: Cross multiply
    540,791.66x = 811,125.52 × 141,470.97
  4. Step 4: Simplify right side
    540,791.66x = 114,750,714,106.15
  5. Step 5: Solve for x
    x = 114,750,714,106.15/540,791.66
  6. Step 6: Final answer
    x = 212,190.24

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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.