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Finding the Fourth Proportional to 365,864.72, 548,481.71 and 141,382.67

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Solution

The fourth proportional to 365,864.72, 548,481.71 and 141,382.67 is: 211,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,864.72 : 548,481.71 = 141,382.67 : x
  2. Step 2: Convert to fraction form
    365,864.72/548,481.71 = 141,382.67/x
  3. Step 3: Cross multiply
    365,864.72x = 548,481.71 × 141,382.67
  4. Step 4: Simplify right side
    365,864.72x = 77,545,806,217.01
  5. Step 5: Solve for x
    x = 77,545,806,217.01/365,864.72
  6. Step 6: Final answer
    x = 211,952.13

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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.