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Finding the Fourth Proportional to 360,024.92, 539,445.66 and 123,238.43

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Solution

The fourth proportional to 360,024.92, 539,445.66 and 123,238.43 is: 184,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,024.92 : 539,445.66 = 123,238.43 : x
  2. Step 2: Convert to fraction form
    360,024.92/539,445.66 = 123,238.43/x
  3. Step 3: Cross multiply
    360,024.92x = 539,445.66 × 123,238.43
  4. Step 4: Simplify right side
    360,024.92x = 66,480,436,208.71
  5. Step 5: Solve for x
    x = 66,480,436,208.71/360,024.92
  6. Step 6: Final answer
    x = 184,655.10

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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.