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Finding the Fourth Proportional to 418,344.88, 577,324.46 and 227,370.60

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Solution

The fourth proportional to 418,344.88, 577,324.46 and 227,370.60 is: 313,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,344.88 : 577,324.46 = 227,370.60 : x
  2. Step 2: Convert to fraction form
    418,344.88/577,324.46 = 227,370.60/x
  3. Step 3: Cross multiply
    418,344.88x = 577,324.46 × 227,370.60
  4. Step 4: Simplify right side
    418,344.88x = 131,266,608,864.88
  5. Step 5: Solve for x
    x = 131,266,608,864.88/418,344.88
  6. Step 6: Final answer
    x = 313,776.06

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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.