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Finding the Fourth Proportional to 294,166.38, 440,357.28 and 266,098.26

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Solution

The fourth proportional to 294,166.38, 440,357.28 and 266,098.26 is: 398,340.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,166.38 : 440,357.28 = 266,098.26 : x
  2. Step 2: Convert to fraction form
    294,166.38/440,357.28 = 266,098.26/x
  3. Step 3: Cross multiply
    294,166.38x = 440,357.28 × 266,098.26
  4. Step 4: Simplify right side
    294,166.38x = 117,178,305,986.33
  5. Step 5: Solve for x
    x = 117,178,305,986.33/294,166.38
  6. Step 6: Final answer
    x = 398,340.24

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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.