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Finding the Fourth Proportional to 216,999.70, 325,499.55 and 177,601.30

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Solution

The fourth proportional to 216,999.70, 325,499.55 and 177,601.30 is: 266,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,999.70 : 325,499.55 = 177,601.30 : x
  2. Step 2: Convert to fraction form
    216,999.70/325,499.55 = 177,601.30/x
  3. Step 3: Cross multiply
    216,999.70x = 325,499.55 × 177,601.30
  4. Step 4: Simplify right side
    216,999.70x = 57,809,143,229.42
  5. Step 5: Solve for x
    x = 57,809,143,229.42/216,999.70
  6. Step 6: Final answer
    x = 266,401.95

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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.