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Finding the Fourth Proportional to 633,727.20, 948,841.20 and 493,759.20

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Solution

The fourth proportional to 633,727.20, 948,841.20 and 493,759.20 is: 739,275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,727.20 : 948,841.20 = 493,759.20 : x
  2. Step 2: Convert to fraction form
    633,727.20/948,841.20 = 493,759.20/x
  3. Step 3: Cross multiply
    633,727.20x = 948,841.20 × 493,759.20
  4. Step 4: Simplify right side
    633,727.20x = 468,499,071,839.04
  5. Step 5: Solve for x
    x = 468,499,071,839.04/633,727.20
  6. Step 6: Final answer
    x = 739,275.62

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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.