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Finding the Fourth Proportional to 418,000.01, 576,843.40 and 227,014.77

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Solution

The fourth proportional to 418,000.01, 576,843.40 and 227,014.77 is: 313,282.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,000.01 : 576,843.40 = 227,014.77 : x
  2. Step 2: Convert to fraction form
    418,000.01/576,843.40 = 227,014.77/x
  3. Step 3: Cross multiply
    418,000.01x = 576,843.40 × 227,014.77
  4. Step 4: Simplify right side
    418,000.01x = 130,951,968,892.80
  5. Step 5: Solve for x
    x = 130,951,968,892.80/418,000.01
  6. Step 6: Final answer
    x = 313,282.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.