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Finding the Fourth Proportional to 354,936.10, 532,404.15 and 329,275.30

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Solution

The fourth proportional to 354,936.10, 532,404.15 and 329,275.30 is: 493,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,936.10 : 532,404.15 = 329,275.30 : x
  2. Step 2: Convert to fraction form
    354,936.10/532,404.15 = 329,275.30/x
  3. Step 3: Cross multiply
    354,936.10x = 532,404.15 × 329,275.30
  4. Step 4: Simplify right side
    354,936.10x = 175,307,536,212.50
  5. Step 5: Solve for x
    x = 175,307,536,212.50/354,936.10
  6. Step 6: Final answer
    x = 493,912.95

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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.