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Finding the Fourth Proportional to 295,471.31, 442,496.75 and 168,727.82

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Solution

The fourth proportional to 295,471.31, 442,496.75 and 168,727.82 is: 252,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,471.31 : 442,496.75 = 168,727.82 : x
  2. Step 2: Convert to fraction form
    295,471.31/442,496.75 = 168,727.82/x
  3. Step 3: Cross multiply
    295,471.31x = 442,496.75 × 168,727.82
  4. Step 4: Simplify right side
    295,471.31x = 74,661,508,928.46
  5. Step 5: Solve for x
    x = 74,661,508,928.46/295,471.31
  6. Step 6: Final answer
    x = 252,686.16

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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.