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Finding the Fourth Proportional to 524,247.50, 786,171.45 and 187,225.22

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Solution

The fourth proportional to 524,247.50, 786,171.45 and 187,225.22 is: 280,766.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,247.50 : 786,171.45 = 187,225.22 : x
  2. Step 2: Convert to fraction form
    524,247.50/786,171.45 = 187,225.22/x
  3. Step 3: Cross multiply
    524,247.50x = 786,171.45 × 187,225.22
  4. Step 4: Simplify right side
    524,247.50x = 147,191,122,683.97
  5. Step 5: Solve for x
    x = 147,191,122,683.97/524,247.50
  6. Step 6: Final answer
    x = 280,766.48

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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.