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Finding the Fourth Proportional to 541,066.90, 811,711.07 and 186,034.79

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Solution

The fourth proportional to 541,066.90, 811,711.07 and 186,034.79 is: 279,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,066.90 : 811,711.07 = 186,034.79 : x
  2. Step 2: Convert to fraction form
    541,066.90/811,711.07 = 186,034.79/x
  3. Step 3: Cross multiply
    541,066.90x = 811,711.07 × 186,034.79
  4. Step 4: Simplify right side
    541,066.90x = 151,006,498,448.13
  5. Step 5: Solve for x
    x = 151,006,498,448.13/541,066.90
  6. Step 6: Final answer
    x = 279,090.25

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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.