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Finding the Fourth Proportional to 397,637.44, 548,754.84 and 227,904.40

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Solution

The fourth proportional to 397,637.44, 548,754.84 and 227,904.40 is: 314,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,637.44 : 548,754.84 = 227,904.40 : x
  2. Step 2: Convert to fraction form
    397,637.44/548,754.84 = 227,904.40/x
  3. Step 3: Cross multiply
    397,637.44x = 548,754.84 × 227,904.40
  4. Step 4: Simplify right side
    397,637.44x = 125,063,642,557.30
  5. Step 5: Solve for x
    x = 125,063,642,557.30/397,637.44
  6. Step 6: Final answer
    x = 314,516.77

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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.