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Finding the Fourth Proportional to 362,819.80, 544,229.70 and 322,730.20

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Solution

The fourth proportional to 362,819.80, 544,229.70 and 322,730.20 is: 484,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,819.80 : 544,229.70 = 322,730.20 : x
  2. Step 2: Convert to fraction form
    362,819.80/544,229.70 = 322,730.20/x
  3. Step 3: Cross multiply
    362,819.80x = 544,229.70 × 322,730.20
  4. Step 4: Simplify right side
    362,819.80x = 175,639,359,926.94
  5. Step 5: Solve for x
    x = 175,639,359,926.94/362,819.80
  6. Step 6: Final answer
    x = 484,095.30

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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.