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Finding the Fourth Proportional to 541,100.31, 811,761.17 and 186,068.22

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Solution

The fourth proportional to 541,100.31, 811,761.17 and 186,068.22 is: 279,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,100.31 : 811,761.17 = 186,068.22 : x
  2. Step 2: Convert to fraction form
    541,100.31/811,761.17 = 186,068.22/x
  3. Step 3: Cross multiply
    541,100.31x = 811,761.17 × 186,068.22
  4. Step 4: Simplify right side
    541,100.31x = 151,042,955,036.68
  5. Step 5: Solve for x
    x = 151,042,955,036.68/541,100.31
  6. Step 6: Final answer
    x = 279,140.40

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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.