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Finding the Fourth Proportional to 440,575.60, 660,863.40 and 410,832.40

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Solution

The fourth proportional to 440,575.60, 660,863.40 and 410,832.40 is: 616,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,575.60 : 660,863.40 = 410,832.40 : x
  2. Step 2: Convert to fraction form
    440,575.60/660,863.40 = 410,832.40/x
  3. Step 3: Cross multiply
    440,575.60x = 660,863.40 × 410,832.40
  4. Step 4: Simplify right side
    440,575.60x = 271,504,096,694.16
  5. Step 5: Solve for x
    x = 271,504,096,694.16/440,575.60
  6. Step 6: Final answer
    x = 616,248.60

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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.