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Finding the Fourth Proportional to 216,811.58, 324,880.22 and 150,381.50

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Solution

The fourth proportional to 216,811.58, 324,880.22 and 150,381.50 is: 225,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,811.58 : 324,880.22 = 150,381.50 : x
  2. Step 2: Convert to fraction form
    216,811.58/324,880.22 = 150,381.50/x
  3. Step 3: Cross multiply
    216,811.58x = 324,880.22 × 150,381.50
  4. Step 4: Simplify right side
    216,811.58x = 48,855,974,803.93
  5. Step 5: Solve for x
    x = 48,855,974,803.93/216,811.58
  6. Step 6: Final answer
    x = 225,338.40

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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.