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Finding the Fourth Proportional to 574,574.25, 861,861.38 and 180,590.25

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Solution

The fourth proportional to 574,574.25, 861,861.38 and 180,590.25 is: 270,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,574.25 : 861,861.38 = 180,590.25 : x
  2. Step 2: Convert to fraction form
    574,574.25/861,861.38 = 180,590.25/x
  3. Step 3: Cross multiply
    574,574.25x = 861,861.38 × 180,590.25
  4. Step 4: Simplify right side
    574,574.25x = 155,643,761,176.59
  5. Step 5: Solve for x
    x = 155,643,761,176.59/574,574.25
  6. Step 6: Final answer
    x = 270,885.38

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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.