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Finding the Fourth Proportional to 374,956.33, 562,523.59 and 122,238.49

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Solution

The fourth proportional to 374,956.33, 562,523.59 and 122,238.49 is: 183,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,956.33 : 562,523.59 = 122,238.49 : x
  2. Step 2: Convert to fraction form
    374,956.33/562,523.59 = 122,238.49/x
  3. Step 3: Cross multiply
    374,956.33x = 562,523.59 × 122,238.49
  4. Step 4: Simplify right side
    374,956.33x = 68,762,031,418.36
  5. Step 5: Solve for x
    x = 68,762,031,418.36/374,956.33
  6. Step 6: Final answer
    x = 183,386.78

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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.