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Finding the Fourth Proportional to 472,357, 652,085.37 and 327,272.79

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Solution

The fourth proportional to 472,357, 652,085.37 and 327,272.79 is: 451,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,357 : 652,085.37 = 327,272.79 : x
  2. Step 2: Convert to fraction form
    472,357/652,085.37 = 327,272.79/x
  3. Step 3: Cross multiply
    472,357x = 652,085.37 × 327,272.79
  4. Step 4: Simplify right side
    472,357x = 213,409,798,358.08
  5. Step 5: Solve for x
    x = 213,409,798,358.08/472,357
  6. Step 6: Final answer
    x = 451,797.68

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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.