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Finding the Fourth Proportional to 361,875.60, 543,331.80 and 204,411.60

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Solution

The fourth proportional to 361,875.60, 543,331.80 and 204,411.60 is: 306,910.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,875.60 : 543,331.80 = 204,411.60 : x
  2. Step 2: Convert to fraction form
    361,875.60/543,331.80 = 204,411.60/x
  3. Step 3: Cross multiply
    361,875.60x = 543,331.80 × 204,411.60
  4. Step 4: Simplify right side
    361,875.60x = 111,063,322,568.88
  5. Step 5: Solve for x
    x = 111,063,322,568.88/361,875.60
  6. Step 6: Final answer
    x = 306,910.23

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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.