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Finding the Fourth Proportional to 247,364.24, 341,371.04 and 145,388.24

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Solution

The fourth proportional to 247,364.24, 341,371.04 and 145,388.24 is: 200,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,364.24 : 341,371.04 = 145,388.24 : x
  2. Step 2: Convert to fraction form
    247,364.24/341,371.04 = 145,388.24/x
  3. Step 3: Cross multiply
    247,364.24x = 341,371.04 × 145,388.24
  4. Step 4: Simplify right side
    247,364.24x = 49,631,332,258.77
  5. Step 5: Solve for x
    x = 49,631,332,258.77/247,364.24
  6. Step 6: Final answer
    x = 200,640.70

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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.