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Finding the Fourth Proportional to 365,384.52, 547,299.18 and 207,531.72

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Solution

The fourth proportional to 365,384.52, 547,299.18 and 207,531.72 is: 310,855.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,384.52 : 547,299.18 = 207,531.72 : x
  2. Step 2: Convert to fraction form
    365,384.52/547,299.18 = 207,531.72/x
  3. Step 3: Cross multiply
    365,384.52x = 547,299.18 × 207,531.72
  4. Step 4: Simplify right side
    365,384.52x = 113,581,940,179.99
  5. Step 5: Solve for x
    x = 113,581,940,179.99/365,384.52
  6. Step 6: Final answer
    x = 310,855.92

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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.