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Finding the Fourth Proportional to 418,242.46, 627,011.02 and 181,406.77

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Solution

The fourth proportional to 418,242.46, 627,011.02 and 181,406.77 is: 271,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,242.46 : 627,011.02 = 181,406.77 : x
  2. Step 2: Convert to fraction form
    418,242.46/627,011.02 = 181,406.77/x
  3. Step 3: Cross multiply
    418,242.46x = 627,011.02 × 181,406.77
  4. Step 4: Simplify right side
    418,242.46x = 113,744,043,892.61
  5. Step 5: Solve for x
    x = 113,744,043,892.61/418,242.46
  6. Step 6: Final answer
    x = 271,957.19

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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.