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Finding the Fourth Proportional to 360,504.75, 540,718.19 and 120,591.44

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Solution

The fourth proportional to 360,504.75, 540,718.19 and 120,591.44 is: 180,874.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,504.75 : 540,718.19 = 120,591.44 : x
  2. Step 2: Convert to fraction form
    360,504.75/540,718.19 = 120,591.44/x
  3. Step 3: Cross multiply
    360,504.75x = 540,718.19 × 120,591.44
  4. Step 4: Simplify right side
    360,504.75x = 65,205,985,166.29
  5. Step 5: Solve for x
    x = 65,205,985,166.29/360,504.75
  6. Step 6: Final answer
    x = 180,874.14

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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.