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Finding the Fourth Proportional to 539,916.38, 810,022.22 and 236,255.33

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Solution

The fourth proportional to 539,916.38, 810,022.22 and 236,255.33 is: 354,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,916.38 : 810,022.22 = 236,255.33 : x
  2. Step 2: Convert to fraction form
    539,916.38/810,022.22 = 236,255.33/x
  3. Step 3: Cross multiply
    539,916.38x = 810,022.22 × 236,255.33
  4. Step 4: Simplify right side
    539,916.38x = 191,372,069,952.11
  5. Step 5: Solve for x
    x = 191,372,069,952.11/539,916.38
  6. Step 6: Final answer
    x = 354,447.61

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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.