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Finding the Fourth Proportional to 416,989.64, 575,445.42 and 226,002.92

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Solution

The fourth proportional to 416,989.64, 575,445.42 and 226,002.92 is: 311,883.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,989.64 : 575,445.42 = 226,002.92 : x
  2. Step 2: Convert to fraction form
    416,989.64/575,445.42 = 226,002.92/x
  3. Step 3: Cross multiply
    416,989.64x = 575,445.42 × 226,002.92
  4. Step 4: Simplify right side
    416,989.64x = 130,052,345,220.63
  5. Step 5: Solve for x
    x = 130,052,345,220.63/416,989.64
  6. Step 6: Final answer
    x = 311,883.88

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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.