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Finding the Fourth Proportional to 524,555.20, 786,640.02 and 187,504.90

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Solution

The fourth proportional to 524,555.20, 786,640.02 and 187,504.90 is: 281,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,555.20 : 786,640.02 = 187,504.90 : x
  2. Step 2: Convert to fraction form
    524,555.20/786,640.02 = 187,504.90/x
  3. Step 3: Cross multiply
    524,555.20x = 786,640.02 × 187,504.90
  4. Step 4: Simplify right side
    524,555.20x = 147,498,858,286.10
  5. Step 5: Solve for x
    x = 147,498,858,286.10/524,555.20
  6. Step 6: Final answer
    x = 281,188.44

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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.