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Finding the Fourth Proportional to 408,090.28, 563,100.24 and 235,944.22

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Solution

The fourth proportional to 408,090.28, 563,100.24 and 235,944.22 is: 325,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,090.28 : 563,100.24 = 235,944.22 : x
  2. Step 2: Convert to fraction form
    408,090.28/563,100.24 = 235,944.22/x
  3. Step 3: Cross multiply
    408,090.28x = 563,100.24 × 235,944.22
  4. Step 4: Simplify right side
    408,090.28x = 132,860,246,908.61
  5. Step 5: Solve for x
    x = 132,860,246,908.61/408,090.28
  6. Step 6: Final answer
    x = 325,565.82

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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.