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Finding the Fourth Proportional to 566,618.76, 781,936.74 and 324,910.44

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Solution

The fourth proportional to 566,618.76, 781,936.74 and 324,910.44 is: 448,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,618.76 : 781,936.74 = 324,910.44 : x
  2. Step 2: Convert to fraction form
    566,618.76/781,936.74 = 324,910.44/x
  3. Step 3: Cross multiply
    566,618.76x = 781,936.74 × 324,910.44
  4. Step 4: Simplify right side
    566,618.76x = 254,059,410,245.57
  5. Step 5: Solve for x
    x = 254,059,410,245.57/566,618.76
  6. Step 6: Final answer
    x = 448,378.04

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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.