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Finding the Fourth Proportional to 418,168.48, 577,074.88 and 227,183.52

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Solution

The fourth proportional to 418,168.48, 577,074.88 and 227,183.52 is: 313,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,168.48 : 577,074.88 = 227,183.52 : x
  2. Step 2: Convert to fraction form
    418,168.48/577,074.88 = 227,183.52/x
  3. Step 3: Cross multiply
    418,168.48x = 577,074.88 × 227,183.52
  4. Step 4: Simplify right side
    418,168.48x = 131,101,902,541.98
  5. Step 5: Solve for x
    x = 131,101,902,541.98/418,168.48
  6. Step 6: Final answer
    x = 313,514.55

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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.