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Finding the Fourth Proportional to 524,247.75, 786,171.83 and 187,225.47

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Solution

The fourth proportional to 524,247.75, 786,171.83 and 187,225.47 is: 280,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,247.75 : 786,171.83 = 187,225.47 : x
  2. Step 2: Convert to fraction form
    524,247.75/786,171.83 = 187,225.47/x
  3. Step 3: Cross multiply
    524,247.75x = 786,171.83 × 187,225.47
  4. Step 4: Simplify right side
    524,247.75x = 147,191,389,436.38
  5. Step 5: Solve for x
    x = 147,191,389,436.38/524,247.75
  6. Step 6: Final answer
    x = 280,766.85

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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.