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Finding the Fourth Proportional to 549,105.60, 823,658.40 and 233,572.80

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Solution

The fourth proportional to 549,105.60, 823,658.40 and 233,572.80 is: 350,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,105.60 : 823,658.40 = 233,572.80 : x
  2. Step 2: Convert to fraction form
    549,105.60/823,658.40 = 233,572.80/x
  3. Step 3: Cross multiply
    549,105.60x = 823,658.40 × 233,572.80
  4. Step 4: Simplify right side
    549,105.60x = 192,384,198,731.52
  5. Step 5: Solve for x
    x = 192,384,198,731.52/549,105.60
  6. Step 6: Final answer
    x = 350,359.20

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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.