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Finding the Fourth Proportional to 533,324.72, 799,987.86 and 217,781.63

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Solution

The fourth proportional to 533,324.72, 799,987.86 and 217,781.63 is: 326,672.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,324.72 : 799,987.86 = 217,781.63 : x
  2. Step 2: Convert to fraction form
    533,324.72/799,987.86 = 217,781.63/x
  3. Step 3: Cross multiply
    533,324.72x = 799,987.86 × 217,781.63
  4. Step 4: Simplify right side
    533,324.72x = 174,222,659,899.74
  5. Step 5: Solve for x
    x = 174,222,659,899.74/533,324.72
  6. Step 6: Final answer
    x = 326,672.76

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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.