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Finding the Fourth Proportional to 294,174.10, 443,223.92 and 266,125.42

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Solution

The fourth proportional to 294,174.10, 443,223.92 and 266,125.42 is: 400,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,174.10 : 443,223.92 = 266,125.42 : x
  2. Step 2: Convert to fraction form
    294,174.10/443,223.92 = 266,125.42/x
  3. Step 3: Cross multiply
    294,174.10x = 443,223.92 × 266,125.42
  4. Step 4: Simplify right side
    294,174.10x = 117,953,151,864.05
  5. Step 5: Solve for x
    x = 117,953,151,864.05/294,174.10
  6. Step 6: Final answer
    x = 400,963.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.