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Finding the Fourth Proportional to 568,169.82, 851,442.75 and 417,225.96

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Solution

The fourth proportional to 568,169.82, 851,442.75 and 417,225.96 is: 625,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,169.82 : 851,442.75 = 417,225.96 : x
  2. Step 2: Convert to fraction form
    568,169.82/851,442.75 = 417,225.96/x
  3. Step 3: Cross multiply
    568,169.82x = 851,442.75 × 417,225.96
  4. Step 4: Simplify right side
    568,169.82x = 355,244,018,753.79
  5. Step 5: Solve for x
    x = 355,244,018,753.79/568,169.82
  6. Step 6: Final answer
    x = 625,242.68

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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.