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Finding the Fourth Proportional to 608,273.20, 912,323.40 and 187,591.60

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Solution

The fourth proportional to 608,273.20, 912,323.40 and 187,591.60 is: 281,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,273.20 : 912,323.40 = 187,591.60 : x
  2. Step 2: Convert to fraction form
    608,273.20/912,323.40 = 187,591.60/x
  3. Step 3: Cross multiply
    608,273.20x = 912,323.40 × 187,591.60
  4. Step 4: Simplify right side
    608,273.20x = 171,144,206,323.44
  5. Step 5: Solve for x
    x = 171,144,206,323.44/608,273.20
  6. Step 6: Final answer
    x = 281,360.75

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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.