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Finding the Fourth Proportional to 362,403.90, 543,605.85 and 236,432.70

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Solution

The fourth proportional to 362,403.90, 543,605.85 and 236,432.70 is: 354,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,403.90 : 543,605.85 = 236,432.70 : x
  2. Step 2: Convert to fraction form
    362,403.90/543,605.85 = 236,432.70/x
  3. Step 3: Cross multiply
    362,403.90x = 543,605.85 × 236,432.70
  4. Step 4: Simplify right side
    362,403.90x = 128,526,198,851.30
  5. Step 5: Solve for x
    x = 128,526,198,851.30/362,403.90
  6. Step 6: Final answer
    x = 354,649.05

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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.