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Finding the Fourth Proportional to 323,232.20, 484,622.88 and 143,219.72

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Solution

The fourth proportional to 323,232.20, 484,622.88 and 143,219.72 is: 214,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,232.20 : 484,622.88 = 143,219.72 : x
  2. Step 2: Convert to fraction form
    323,232.20/484,622.88 = 143,219.72/x
  3. Step 3: Cross multiply
    323,232.20x = 484,622.88 × 143,219.72
  4. Step 4: Simplify right side
    323,232.20x = 69,407,553,179.19
  5. Step 5: Solve for x
    x = 69,407,553,179.19/323,232.20
  6. Step 6: Final answer
    x = 214,729.70

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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.