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Finding the Fourth Proportional to 508,292.76, 701,438.94 and 281,932.44

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Solution

The fourth proportional to 508,292.76, 701,438.94 and 281,932.44 is: 389,063.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,292.76 : 701,438.94 = 281,932.44 : x
  2. Step 2: Convert to fraction form
    508,292.76/701,438.94 = 281,932.44/x
  3. Step 3: Cross multiply
    508,292.76x = 701,438.94 × 281,932.44
  4. Step 4: Simplify right side
    508,292.76x = 197,758,391,865.21
  5. Step 5: Solve for x
    x = 197,758,391,865.21/508,292.76
  6. Step 6: Final answer
    x = 389,063.96

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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.