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Finding the Fourth Proportional to 995,691.60, 1,493,537.40 and 330,843.60

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Solution

The fourth proportional to 995,691.60, 1,493,537.40 and 330,843.60 is: 496,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,691.60 : 1,493,537.40 = 330,843.60 : x
  2. Step 2: Convert to fraction form
    995,691.60/1,493,537.40 = 330,843.60/x
  3. Step 3: Cross multiply
    995,691.60x = 1,493,537.40 × 330,843.60
  4. Step 4: Simplify right side
    995,691.60x = 494,127,290,150.64
  5. Step 5: Solve for x
    x = 494,127,290,150.64/995,691.60
  6. Step 6: Final answer
    x = 496,265.40

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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.