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Finding the Fourth Proportional to 295,253.92, 407,472.96 and 167,921.92

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Solution

The fourth proportional to 295,253.92, 407,472.96 and 167,921.92 is: 231,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,253.92 : 407,472.96 = 167,921.92 : x
  2. Step 2: Convert to fraction form
    295,253.92/407,472.96 = 167,921.92/x
  3. Step 3: Cross multiply
    295,253.92x = 407,472.96 × 167,921.92
  4. Step 4: Simplify right side
    295,253.92x = 68,423,641,791.28
  5. Step 5: Solve for x
    x = 68,423,641,791.28/295,253.92
  6. Step 6: Final answer
    x = 231,745.07

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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.