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Finding the Fourth Proportional to 549,633.20, 824,449.80 and 494,520.80

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Solution

The fourth proportional to 549,633.20, 824,449.80 and 494,520.80 is: 741,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,633.20 : 824,449.80 = 494,520.80 : x
  2. Step 2: Convert to fraction form
    549,633.20/824,449.80 = 494,520.80/x
  3. Step 3: Cross multiply
    549,633.20x = 824,449.80 × 494,520.80
  4. Step 4: Simplify right side
    549,633.20x = 407,707,574,655.84
  5. Step 5: Solve for x
    x = 407,707,574,655.84/549,633.20
  6. Step 6: Final answer
    x = 741,781.20

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Similar ratio
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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.