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Finding the Fourth Proportional to 574,654.41, 861,981.62 and 200,669.13

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Solution

The fourth proportional to 574,654.41, 861,981.62 and 200,669.13 is: 301,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,654.41 : 861,981.62 = 200,669.13 : x
  2. Step 2: Convert to fraction form
    574,654.41/861,981.62 = 200,669.13/x
  3. Step 3: Cross multiply
    574,654.41x = 861,981.62 × 200,669.13
  4. Step 4: Simplify right side
    574,654.41x = 172,973,100,758.05
  5. Step 5: Solve for x
    x = 172,973,100,758.05/574,654.41
  6. Step 6: Final answer
    x = 301,003.70

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Half scale
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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.