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Finding the Fourth Proportional to 379,633.52, 523,908.24 and 207,562.94

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Solution

The fourth proportional to 379,633.52, 523,908.24 and 207,562.94 is: 286,444.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,633.52 : 523,908.24 = 207,562.94 : x
  2. Step 2: Convert to fraction form
    379,633.52/523,908.24 = 207,562.94/x
  3. Step 3: Cross multiply
    379,633.52x = 523,908.24 × 207,562.94
  4. Step 4: Simplify right side
    379,633.52x = 108,743,933,151.38
  5. Step 5: Solve for x
    x = 108,743,933,151.38/379,633.52
  6. Step 6: Final answer
    x = 286,444.50

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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.