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Finding the Fourth Proportional to 360,508.26, 540,723.44 and 120,594.95

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Solution

The fourth proportional to 360,508.26, 540,723.44 and 120,594.95 is: 180,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,508.26 : 540,723.44 = 120,594.95 : x
  2. Step 2: Convert to fraction form
    360,508.26/540,723.44 = 120,594.95/x
  3. Step 3: Cross multiply
    360,508.26x = 540,723.44 × 120,594.95
  4. Step 4: Simplify right side
    360,508.26x = 65,208,512,904.04
  5. Step 5: Solve for x
    x = 65,208,512,904.04/360,508.26
  6. Step 6: Final answer
    x = 180,879.39

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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.