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Finding the Fourth Proportional to 408,892.37, 564,288.12 and 227,592.81

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Solution

The fourth proportional to 408,892.37, 564,288.12 and 227,592.81 is: 314,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,892.37 : 564,288.12 = 227,592.81 : x
  2. Step 2: Convert to fraction form
    408,892.37/564,288.12 = 227,592.81/x
  3. Step 3: Cross multiply
    408,892.37x = 564,288.12 × 227,592.81
  4. Step 4: Simplify right side
    408,892.37x = 128,427,918,880.42
  5. Step 5: Solve for x
    x = 128,427,918,880.42/408,892.37
  6. Step 6: Final answer
    x = 314,087.35

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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.