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Finding the Fourth Proportional to 545,364.87, 752,634.57 and 327,640.14

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Solution

The fourth proportional to 545,364.87, 752,634.57 and 327,640.14 is: 452,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,364.87 : 752,634.57 = 327,640.14 : x
  2. Step 2: Convert to fraction form
    545,364.87/752,634.57 = 327,640.14/x
  3. Step 3: Cross multiply
    545,364.87x = 752,634.57 × 327,640.14
  4. Step 4: Simplify right side
    545,364.87x = 246,593,295,883.64
  5. Step 5: Solve for x
    x = 246,593,295,883.64/545,364.87
  6. Step 6: Final answer
    x = 452,162.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.