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Finding the Fourth Proportional to 360,503.75, 540,716.69 and 120,590.44

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Solution

The fourth proportional to 360,503.75, 540,716.69 and 120,590.44 is: 180,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,503.75 : 540,716.69 = 120,590.44 : x
  2. Step 2: Convert to fraction form
    360,503.75/540,716.69 = 120,590.44/x
  3. Step 3: Cross multiply
    360,503.75x = 540,716.69 × 120,590.44
  4. Step 4: Simplify right side
    360,503.75x = 65,205,262,512.13
  5. Step 5: Solve for x
    x = 65,205,262,512.13/360,503.75
  6. Step 6: Final answer
    x = 180,872.63

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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.