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Finding the Fourth Proportional to 516,097.20, 773,992.20 and 200,372.40

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Solution

The fourth proportional to 516,097.20, 773,992.20 and 200,372.40 is: 300,498.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,097.20 : 773,992.20 = 200,372.40 : x
  2. Step 2: Convert to fraction form
    516,097.20/773,992.20 = 200,372.40/x
  3. Step 3: Cross multiply
    516,097.20x = 773,992.20 × 200,372.40
  4. Step 4: Simplify right side
    516,097.20x = 155,086,674,695.28
  5. Step 5: Solve for x
    x = 155,086,674,695.28/516,097.20
  6. Step 6: Final answer
    x = 300,498.97

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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.