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Finding the Fourth Proportional to 364,534.20, 546,563.70 and 327,209.40

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Solution

The fourth proportional to 364,534.20, 546,563.70 and 327,209.40 is: 490,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,534.20 : 546,563.70 = 327,209.40 : x
  2. Step 2: Convert to fraction form
    364,534.20/546,563.70 = 327,209.40/x
  3. Step 3: Cross multiply
    364,534.20x = 546,563.70 × 327,209.40
  4. Step 4: Simplify right side
    364,534.20x = 178,840,780,338.78
  5. Step 5: Solve for x
    x = 178,840,780,338.78/364,534.20
  6. Step 6: Final answer
    x = 490,600.83

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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.