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Finding the Fourth Proportional to 571,169.12, 856,473.76 and 234,118.09

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Solution

The fourth proportional to 571,169.12, 856,473.76 and 234,118.09 is: 351,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,169.12 : 856,473.76 = 234,118.09 : x
  2. Step 2: Convert to fraction form
    571,169.12/856,473.76 = 234,118.09/x
  3. Step 3: Cross multiply
    571,169.12x = 856,473.76 × 234,118.09
  4. Step 4: Simplify right side
    571,169.12x = 200,516,002,189.56
  5. Step 5: Solve for x
    x = 200,516,002,189.56/571,169.12
  6. Step 6: Final answer
    x = 351,062.40

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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.