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Finding the Fourth Proportional to 247,610.72, 342,023.31 and 204,763.28

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Solution

The fourth proportional to 247,610.72, 342,023.31 and 204,763.28 is: 282,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,610.72 : 342,023.31 = 204,763.28 : x
  2. Step 2: Convert to fraction form
    247,610.72/342,023.31 = 204,763.28/x
  3. Step 3: Cross multiply
    247,610.72x = 342,023.31 × 204,763.28
  4. Step 4: Simplify right side
    247,610.72x = 70,033,814,792.06
  5. Step 5: Solve for x
    x = 70,033,814,792.06/247,610.72
  6. Step 6: Final answer
    x = 282,838.38

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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.