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Finding the Fourth Proportional to 545,366.22, 752,636.42 and 327,641.50

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Solution

The fourth proportional to 545,366.22, 752,636.42 and 327,641.50 is: 452,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,366.22 : 752,636.42 = 327,641.50 : x
  2. Step 2: Convert to fraction form
    545,366.22/752,636.42 = 327,641.50/x
  3. Step 3: Cross multiply
    545,366.22x = 752,636.42 × 327,641.50
  4. Step 4: Simplify right side
    545,366.22x = 246,594,920,202.04
  5. Step 5: Solve for x
    x = 246,594,920,202.04/545,366.22
  6. Step 6: Final answer
    x = 452,163.91

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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.