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Finding the Fourth Proportional to 247,684.28, 341,908.92 and 167,220.76

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Solution

The fourth proportional to 247,684.28, 341,908.92 and 167,220.76 is: 230,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,684.28 : 341,908.92 = 167,220.76 : x
  2. Step 2: Convert to fraction form
    247,684.28/341,908.92 = 167,220.76/x
  3. Step 3: Cross multiply
    247,684.28x = 341,908.92 × 167,220.76
  4. Step 4: Simplify right side
    247,684.28x = 57,174,269,453.18
  5. Step 5: Solve for x
    x = 57,174,269,453.18/247,684.28
  6. Step 6: Final answer
    x = 230,835.28

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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.