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Finding the Fourth Proportional to 362,023.40, 543,909.90 and 323,532.20

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Solution

The fourth proportional to 362,023.40, 543,909.90 and 323,532.20 is: 486,080.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,023.40 : 543,909.90 = 323,532.20 : x
  2. Step 2: Convert to fraction form
    362,023.40/543,909.90 = 323,532.20/x
  3. Step 3: Cross multiply
    362,023.40x = 543,909.90 × 323,532.20
  4. Step 4: Simplify right side
    362,023.40x = 175,972,366,548.78
  5. Step 5: Solve for x
    x = 175,972,366,548.78/362,023.40
  6. Step 6: Final answer
    x = 486,080.09

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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.