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Finding the Fourth Proportional to 255,723.13, 353,049.13 and 227,350.32

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Solution

The fourth proportional to 255,723.13, 353,049.13 and 227,350.32 is: 313,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,723.13 : 353,049.13 = 227,350.32 : x
  2. Step 2: Convert to fraction form
    255,723.13/353,049.13 = 227,350.32/x
  3. Step 3: Cross multiply
    255,723.13x = 353,049.13 × 227,350.32
  4. Step 4: Simplify right side
    255,723.13x = 80,265,832,681.22
  5. Step 5: Solve for x
    x = 80,265,832,681.22/255,723.13
  6. Step 6: Final answer
    x = 313,877.88

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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.