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Finding the Fourth Proportional to 472,717.52, 709,076.30 and 173,076.65

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Solution

The fourth proportional to 472,717.52, 709,076.30 and 173,076.65 is: 259,614.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,717.52 : 709,076.30 = 173,076.65 : x
  2. Step 2: Convert to fraction form
    472,717.52/709,076.30 = 173,076.65/x
  3. Step 3: Cross multiply
    472,717.52x = 709,076.30 × 173,076.65
  4. Step 4: Simplify right side
    472,717.52x = 122,724,548,846.67
  5. Step 5: Solve for x
    x = 122,724,548,846.67/472,717.52
  6. Step 6: Final answer
    x = 259,614.98

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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.