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Finding the Fourth Proportional to 628,062.52, 941,952.27 and 178,773.46

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Solution

The fourth proportional to 628,062.52, 941,952.27 and 178,773.46 is: 268,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,062.52 : 941,952.27 = 178,773.46 : x
  2. Step 2: Convert to fraction form
    628,062.52/941,952.27 = 178,773.46/x
  3. Step 3: Cross multiply
    628,062.52x = 941,952.27 × 178,773.46
  4. Step 4: Simplify right side
    628,062.52x = 168,396,066,462.75
  5. Step 5: Solve for x
    x = 168,396,066,462.75/628,062.52
  6. Step 6: Final answer
    x = 268,119.91

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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.