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Finding the Fourth Proportional to 204,447.60, 306,671.40 and 64,220.40

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Solution

The fourth proportional to 204,447.60, 306,671.40 and 64,220.40 is: 96,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,447.60 : 306,671.40 = 64,220.40 : x
  2. Step 2: Convert to fraction form
    204,447.60/306,671.40 = 64,220.40/x
  3. Step 3: Cross multiply
    204,447.60x = 306,671.40 × 64,220.40
  4. Step 4: Simplify right side
    204,447.60x = 19,694,559,976.56
  5. Step 5: Solve for x
    x = 19,694,559,976.56/204,447.60
  6. Step 6: Final answer
    x = 96,330.60

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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.