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Finding the Fourth Proportional to 535,883.65, 739,516.52 and 294,170.34

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Solution

The fourth proportional to 535,883.65, 739,516.52 and 294,170.34 is: 405,953.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,883.65 : 739,516.52 = 294,170.34 : x
  2. Step 2: Convert to fraction form
    535,883.65/739,516.52 = 294,170.34/x
  3. Step 3: Cross multiply
    535,883.65x = 739,516.52 × 294,170.34
  4. Step 4: Simplify right side
    535,883.65x = 217,543,825,472.85
  5. Step 5: Solve for x
    x = 217,543,825,472.85/535,883.65
  6. Step 6: Final answer
    x = 405,953.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.