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Finding the Fourth Proportional to 516,189.88, 773,983.48 and 200,277.76

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Solution

The fourth proportional to 516,189.88, 773,983.48 and 200,277.76 is: 300,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,189.88 : 773,983.48 = 200,277.76 : x
  2. Step 2: Convert to fraction form
    516,189.88/773,983.48 = 200,277.76/x
  3. Step 3: Cross multiply
    516,189.88x = 773,983.48 × 200,277.76
  4. Step 4: Simplify right side
    516,189.88x = 155,011,677,651.41
  5. Step 5: Solve for x
    x = 155,011,677,651.41/516,189.88
  6. Step 6: Final answer
    x = 300,299.72

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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.