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Finding the Fourth Proportional to 274,305.60, 410,680.80 and 243,201.60

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Solution

The fourth proportional to 274,305.60, 410,680.80 and 243,201.60 is: 364,112.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,305.60 : 410,680.80 = 243,201.60 : x
  2. Step 2: Convert to fraction form
    274,305.60/410,680.80 = 243,201.60/x
  3. Step 3: Cross multiply
    274,305.60x = 410,680.80 × 243,201.60
  4. Step 4: Simplify right side
    274,305.60x = 99,878,227,649.28
  5. Step 5: Solve for x
    x = 99,878,227,649.28/274,305.60
  6. Step 6: Final answer
    x = 364,112.97

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1.5x scale

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.