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Finding the Fourth Proportional to 324,058.35, 485,941.73 and 124,312.35

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Solution

The fourth proportional to 324,058.35, 485,941.73 and 124,312.35 is: 186,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,058.35 : 485,941.73 = 124,312.35 : x
  2. Step 2: Convert to fraction form
    324,058.35/485,941.73 = 124,312.35/x
  3. Step 3: Cross multiply
    324,058.35x = 485,941.73 × 124,312.35
  4. Step 4: Simplify right side
    324,058.35x = 60,408,557,797.80
  5. Step 5: Solve for x
    x = 60,408,557,797.80/324,058.35
  6. Step 6: Final answer
    x = 186,412.59

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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.