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Finding the Fourth Proportional to 365,956.29, 548,513.21 and 141,217.34

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Solution

The fourth proportional to 365,956.29, 548,513.21 and 141,217.34 is: 211,663.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,956.29 : 548,513.21 = 141,217.34 : x
  2. Step 2: Convert to fraction form
    365,956.29/548,513.21 = 141,217.34/x
  3. Step 3: Cross multiply
    365,956.29x = 548,513.21 × 141,217.34
  4. Step 4: Simplify right side
    365,956.29x = 77,459,573,022.41
  5. Step 5: Solve for x
    x = 77,459,573,022.41/365,956.29
  6. Step 6: Final answer
    x = 211,663.46

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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.