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Finding the Fourth Proportional to 540,893.42, 811,382.82 and 181,066.42

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Solution

The fourth proportional to 540,893.42, 811,382.82 and 181,066.42 is: 271,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,893.42 : 811,382.82 = 181,066.42 : x
  2. Step 2: Convert to fraction form
    540,893.42/811,382.82 = 181,066.42/x
  3. Step 3: Cross multiply
    540,893.42x = 811,382.82 × 181,066.42
  4. Step 4: Simplify right side
    540,893.42x = 146,914,178,238.11
  5. Step 5: Solve for x
    x = 146,914,178,238.11/540,893.42
  6. Step 6: Final answer
    x = 271,613.91

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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.