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Finding the Fourth Proportional to 269,312.78, 403,969.17 and 82,322.66

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Solution

The fourth proportional to 269,312.78, 403,969.17 and 82,322.66 is: 123,483.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,312.78 : 403,969.17 = 82,322.66 : x
  2. Step 2: Convert to fraction form
    269,312.78/403,969.17 = 82,322.66/x
  3. Step 3: Cross multiply
    269,312.78x = 403,969.17 × 82,322.66
  4. Step 4: Simplify right side
    269,312.78x = 33,255,816,632.39
  5. Step 5: Solve for x
    x = 33,255,816,632.39/269,312.78
  6. Step 6: Final answer
    x = 123,483.99

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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.