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Finding the Fourth Proportional to 524,081.91, 723,235.49 and 297,739.83

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Solution

The fourth proportional to 524,081.91, 723,235.49 and 297,739.83 is: 410,882.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,081.91 : 723,235.49 = 297,739.83 : x
  2. Step 2: Convert to fraction form
    524,081.91/723,235.49 = 297,739.83/x
  3. Step 3: Cross multiply
    524,081.91x = 723,235.49 × 297,739.83
  4. Step 4: Simplify right side
    524,081.91x = 215,336,010,353.87
  5. Step 5: Solve for x
    x = 215,336,010,353.87/524,081.91
  6. Step 6: Final answer
    x = 410,882.36

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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.