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Finding the Fourth Proportional to 269,526.30, 404,289.45 and 266,027.10

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Solution

The fourth proportional to 269,526.30, 404,289.45 and 266,027.10 is: 399,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,526.30 : 404,289.45 = 266,027.10 : x
  2. Step 2: Convert to fraction form
    269,526.30/404,289.45 = 266,027.10/x
  3. Step 3: Cross multiply
    269,526.30x = 404,289.45 × 266,027.10
  4. Step 4: Simplify right side
    269,526.30x = 107,551,949,944.10
  5. Step 5: Solve for x
    x = 107,551,949,944.10/269,526.30
  6. Step 6: Final answer
    x = 399,040.65

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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.