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Finding the Fourth Proportional to 552,930.75, 829,527.75 and 178,953.75

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Solution

The fourth proportional to 552,930.75, 829,527.75 and 178,953.75 is: 268,473.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,930.75 : 829,527.75 = 178,953.75 : x
  2. Step 2: Convert to fraction form
    552,930.75/829,527.75 = 178,953.75/x
  3. Step 3: Cross multiply
    552,930.75x = 829,527.75 × 178,953.75
  4. Step 4: Simplify right side
    552,930.75x = 148,447,101,591.56
  5. Step 5: Solve for x
    x = 148,447,101,591.56/552,930.75
  6. Step 6: Final answer
    x = 268,473.22

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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.