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Finding the Fourth Proportional to 220,624.02, 330,870.06 and 80,349.84

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Solution

The fourth proportional to 220,624.02, 330,870.06 and 80,349.84 is: 120,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,624.02 : 330,870.06 = 80,349.84 : x
  2. Step 2: Convert to fraction form
    220,624.02/330,870.06 = 80,349.84/x
  3. Step 3: Cross multiply
    220,624.02x = 330,870.06 × 80,349.84
  4. Step 4: Simplify right side
    220,624.02x = 26,585,356,381.79
  5. Step 5: Solve for x
    x = 26,585,356,381.79/220,624.02
  6. Step 6: Final answer
    x = 120,500.73

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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.