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Finding the Fourth Proportional to 360,025.92, 539,447.16 and 123,239.43

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Solution

The fourth proportional to 360,025.92, 539,447.16 and 123,239.43 is: 184,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,025.92 : 539,447.16 = 123,239.43 : x
  2. Step 2: Convert to fraction form
    360,025.92/539,447.16 = 123,239.43/x
  3. Step 3: Cross multiply
    360,025.92x = 539,447.16 × 123,239.43
  4. Step 4: Simplify right side
    360,025.92x = 66,481,160,513.52
  5. Step 5: Solve for x
    x = 66,481,160,513.52/360,025.92
  6. Step 6: Final answer
    x = 184,656.60

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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.