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Finding the Fourth Proportional to 363,526.81, 501,650.78 and 208,366.85

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Solution

The fourth proportional to 363,526.81, 501,650.78 and 208,366.85 is: 287,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,526.81 : 501,650.78 = 208,366.85 : x
  2. Step 2: Convert to fraction form
    363,526.81/501,650.78 = 208,366.85/x
  3. Step 3: Cross multiply
    363,526.81x = 501,650.78 × 208,366.85
  4. Step 4: Simplify right side
    363,526.81x = 104,527,393,040.94
  5. Step 5: Solve for x
    x = 104,527,393,040.94/363,526.81
  6. Step 6: Final answer
    x = 287,536.96

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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.