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Finding the Fourth Proportional to 417,074.76, 575,562.78 and 226,086.48

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Solution

The fourth proportional to 417,074.76, 575,562.78 and 226,086.48 is: 311,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,074.76 : 575,562.78 = 226,086.48 : x
  2. Step 2: Convert to fraction form
    417,074.76/575,562.78 = 226,086.48/x
  3. Step 3: Cross multiply
    417,074.76x = 575,562.78 × 226,086.48
  4. Step 4: Simplify right side
    417,074.76x = 130,126,962,949.21
  5. Step 5: Solve for x
    x = 130,126,962,949.21/417,074.76
  6. Step 6: Final answer
    x = 311,999.13

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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.