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Finding the Fourth Proportional to 327,059.52, 451,230.12 and 212,482.32

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Solution

The fourth proportional to 327,059.52, 451,230.12 and 212,482.32 is: 293,152.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,059.52 : 451,230.12 = 212,482.32 : x
  2. Step 2: Convert to fraction form
    327,059.52/451,230.12 = 212,482.32/x
  3. Step 3: Cross multiply
    327,059.52x = 451,230.12 × 212,482.32
  4. Step 4: Simplify right side
    327,059.52x = 95,878,422,751.48
  5. Step 5: Solve for x
    x = 95,878,422,751.48/327,059.52
  6. Step 6: Final answer
    x = 293,152.83

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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.