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Finding the Fourth Proportional to 408,850.31, 564,218.77 and 225,110.25

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Solution

The fourth proportional to 408,850.31, 564,218.77 and 225,110.25 is: 310,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,850.31 : 564,218.77 = 225,110.25 : x
  2. Step 2: Convert to fraction form
    408,850.31/564,218.77 = 225,110.25/x
  3. Step 3: Cross multiply
    408,850.31x = 564,218.77 × 225,110.25
  4. Step 4: Simplify right side
    408,850.31x = 127,011,427,274.96
  5. Step 5: Solve for x
    x = 127,011,427,274.96/408,850.31
  6. Step 6: Final answer
    x = 310,655.08

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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.