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Finding the Fourth Proportional to 392,020.02, 587,777.31 and 167,526.90

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Solution

The fourth proportional to 392,020.02, 587,777.31 and 167,526.90 is: 251,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,020.02 : 587,777.31 = 167,526.90 : x
  2. Step 2: Convert to fraction form
    392,020.02/587,777.31 = 167,526.90/x
  3. Step 3: Cross multiply
    392,020.02x = 587,777.31 × 167,526.90
  4. Step 4: Simplify right side
    392,020.02x = 98,468,510,634.64
  5. Step 5: Solve for x
    x = 98,468,510,634.64/392,020.02
  6. Step 6: Final answer
    x = 251,182.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.