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Finding the Fourth Proportional to 194,295.48, 290,991.52 and 187,560.73

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Solution

The fourth proportional to 194,295.48, 290,991.52 and 187,560.73 is: 280,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,295.48 : 290,991.52 = 187,560.73 : x
  2. Step 2: Convert to fraction form
    194,295.48/290,991.52 = 187,560.73/x
  3. Step 3: Cross multiply
    194,295.48x = 290,991.52 × 187,560.73
  4. Step 4: Simplify right side
    194,295.48x = 54,578,581,915.01
  5. Step 5: Solve for x
    x = 54,578,581,915.01/194,295.48
  6. Step 6: Final answer
    x = 280,905.05

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1.5x scale

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.