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Finding the Fourth Proportional to 216,852.80, 324,760.80 and 175,380.80

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Solution

The fourth proportional to 216,852.80, 324,760.80 and 175,380.80 is: 262,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,852.80 : 324,760.80 = 175,380.80 : x
  2. Step 2: Convert to fraction form
    216,852.80/324,760.80 = 175,380.80/x
  3. Step 3: Cross multiply
    216,852.80x = 324,760.80 × 175,380.80
  4. Step 4: Simplify right side
    216,852.80x = 56,956,808,912.64
  5. Step 5: Solve for x
    x = 56,956,808,912.64/216,852.80
  6. Step 6: Final answer
    x = 262,651.94

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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.