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Finding the Fourth Proportional to 381,337.79, 526,492.66 and 236,297.48

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Solution

The fourth proportional to 381,337.79, 526,492.66 and 236,297.48 is: 326,243.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,337.79 : 526,492.66 = 236,297.48 : x
  2. Step 2: Convert to fraction form
    381,337.79/526,492.66 = 236,297.48/x
  3. Step 3: Cross multiply
    381,337.79x = 526,492.66 × 236,297.48
  4. Step 4: Simplify right side
    381,337.79x = 124,408,885,573.29
  5. Step 5: Solve for x
    x = 124,408,885,573.29/381,337.79
  6. Step 6: Final answer
    x = 326,243.27

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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.