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Finding the Fourth Proportional to 535,908.12, 803,853.96 and 181,171.32

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Solution

The fourth proportional to 535,908.12, 803,853.96 and 181,171.32 is: 271,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,908.12 : 803,853.96 = 181,171.32 : x
  2. Step 2: Convert to fraction form
    535,908.12/803,853.96 = 181,171.32/x
  3. Step 3: Cross multiply
    535,908.12x = 803,853.96 × 181,171.32
  4. Step 4: Simplify right side
    535,908.12x = 145,635,283,020.43
  5. Step 5: Solve for x
    x = 145,635,283,020.43/535,908.12
  6. Step 6: Final answer
    x = 271,754.20

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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.