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Finding the Fourth Proportional to 608,682.60, 913,110.30 and 187,914.60

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Solution

The fourth proportional to 608,682.60, 913,110.30 and 187,914.60 is: 281,898.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,682.60 : 913,110.30 = 187,914.60 : x
  2. Step 2: Convert to fraction form
    608,682.60/913,110.30 = 187,914.60/x
  3. Step 3: Cross multiply
    608,682.60x = 913,110.30 × 187,914.60
  4. Step 4: Simplify right side
    608,682.60x = 171,586,756,780.38
  5. Step 5: Solve for x
    x = 171,586,756,780.38/608,682.60
  6. Step 6: Final answer
    x = 281,898.57

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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.