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Finding the Fourth Proportional to 574,573.50, 861,860.25 and 180,589.50

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Solution

The fourth proportional to 574,573.50, 861,860.25 and 180,589.50 is: 270,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,573.50 : 861,860.25 = 180,589.50 : x
  2. Step 2: Convert to fraction form
    574,573.50/861,860.25 = 180,589.50/x
  3. Step 3: Cross multiply
    574,573.50x = 861,860.25 × 180,589.50
  4. Step 4: Simplify right side
    574,573.50x = 155,642,911,617.38
  5. Step 5: Solve for x
    x = 155,642,911,617.38/574,573.50
  6. Step 6: Final answer
    x = 270,884.25

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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.