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Finding the Fourth Proportional to 568,765.14, 784,937.24 and 327,123.51

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Solution

The fourth proportional to 568,765.14, 784,937.24 and 327,123.51 is: 451,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,765.14 : 784,937.24 = 327,123.51 : x
  2. Step 2: Convert to fraction form
    568,765.14/784,937.24 = 327,123.51/x
  3. Step 3: Cross multiply
    568,765.14x = 784,937.24 × 327,123.51
  4. Step 4: Simplify right side
    568,765.14x = 256,771,423,442.90
  5. Step 5: Solve for x
    x = 256,771,423,442.90/568,765.14
  6. Step 6: Final answer
    x = 451,454.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.