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Finding the Fourth Proportional to 591,106.60, 886,659.90 and 341,660.20

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Solution

The fourth proportional to 591,106.60, 886,659.90 and 341,660.20 is: 512,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,106.60 : 886,659.90 = 341,660.20 : x
  2. Step 2: Convert to fraction form
    591,106.60/886,659.90 = 341,660.20/x
  3. Step 3: Cross multiply
    591,106.60x = 886,659.90 × 341,660.20
  4. Step 4: Simplify right side
    591,106.60x = 302,936,398,765.98
  5. Step 5: Solve for x
    x = 302,936,398,765.98/591,106.60
  6. Step 6: Final answer
    x = 512,490.30

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Double scale
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Similar ratio
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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.