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Finding the Fourth Proportional to 521,756.82, 782,596.95 and 166,675.50

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Solution

The fourth proportional to 521,756.82, 782,596.95 and 166,675.50 is: 250,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,756.82 : 782,596.95 = 166,675.50 : x
  2. Step 2: Convert to fraction form
    521,756.82/782,596.95 = 166,675.50/x
  3. Step 3: Cross multiply
    521,756.82x = 782,596.95 × 166,675.50
  4. Step 4: Simplify right side
    521,756.82x = 130,439,737,939.73
  5. Step 5: Solve for x
    x = 130,439,737,939.73/521,756.82
  6. Step 6: Final answer
    x = 250,001.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.