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Finding the Fourth Proportional to 324,859.82, 487,323.16 and 122,626.26

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Solution

The fourth proportional to 324,859.82, 487,323.16 and 122,626.26 is: 183,952.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,859.82 : 487,323.16 = 122,626.26 : x
  2. Step 2: Convert to fraction form
    324,859.82/487,323.16 = 122,626.26/x
  3. Step 3: Cross multiply
    324,859.82x = 487,323.16 × 122,626.26
  4. Step 4: Simplify right side
    324,859.82x = 59,758,616,522.18
  5. Step 5: Solve for x
    x = 59,758,616,522.18/324,859.82
  6. Step 6: Final answer
    x = 183,952.01

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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.