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Finding the Fourth Proportional to 408,871.01, 564,260.53 and 227,594.49

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Solution

The fourth proportional to 408,871.01, 564,260.53 and 227,594.49 is: 314,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,871.01 : 564,260.53 = 227,594.49 : x
  2. Step 2: Convert to fraction form
    408,871.01/564,260.53 = 227,594.49/x
  3. Step 3: Cross multiply
    408,871.01x = 564,260.53 × 227,594.49
  4. Step 4: Simplify right side
    408,871.01x = 128,422,586,414.51
  5. Step 5: Solve for x
    x = 128,422,586,414.51/408,871.01
  6. Step 6: Final answer
    x = 314,090.72

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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.