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Finding the Fourth Proportional to 472,958.93, 652,697.19 and 258,112.85

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Solution

The fourth proportional to 472,958.93, 652,697.19 and 258,112.85 is: 356,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,958.93 : 652,697.19 = 258,112.85 : x
  2. Step 2: Convert to fraction form
    472,958.93/652,697.19 = 258,112.85/x
  3. Step 3: Cross multiply
    472,958.93x = 652,697.19 × 258,112.85
  4. Step 4: Simplify right side
    472,958.93x = 168,469,528,634.41
  5. Step 5: Solve for x
    x = 168,469,528,634.41/472,958.93
  6. Step 6: Final answer
    x = 356,203.29

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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.