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Finding the Fourth Proportional to 444,624.40, 666,447.27 and 219,651.76

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Solution

The fourth proportional to 444,624.40, 666,447.27 and 219,651.76 is: 329,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,624.40 : 666,447.27 = 219,651.76 : x
  2. Step 2: Convert to fraction form
    444,624.40/666,447.27 = 219,651.76/x
  3. Step 3: Cross multiply
    444,624.40x = 666,447.27 × 219,651.76
  4. Step 4: Simplify right side
    444,624.40x = 146,386,315,802.70
  5. Step 5: Solve for x
    x = 146,386,315,802.70/444,624.40
  6. Step 6: Final answer
    x = 329,235.90

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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.