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Finding the Fourth Proportional to 269,338.31, 404,004.96 and 103,126.31

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Solution

The fourth proportional to 269,338.31, 404,004.96 and 103,126.31 is: 154,688.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,338.31 : 404,004.96 = 103,126.31 : x
  2. Step 2: Convert to fraction form
    269,338.31/404,004.96 = 103,126.31/x
  3. Step 3: Cross multiply
    269,338.31x = 404,004.96 × 103,126.31
  4. Step 4: Simplify right side
    269,338.31x = 41,663,538,726.47
  5. Step 5: Solve for x
    x = 41,663,538,726.47/269,338.31
  6. Step 6: Final answer
    x = 154,688.50

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1.5x scale

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.