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Finding the Fourth Proportional to 444,235.81, 666,353.18 and 144,715.90

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Solution

The fourth proportional to 444,235.81, 666,353.18 and 144,715.90 is: 217,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,235.81 : 666,353.18 = 144,715.90 : x
  2. Step 2: Convert to fraction form
    444,235.81/666,353.18 = 144,715.90/x
  3. Step 3: Cross multiply
    444,235.81x = 666,353.18 × 144,715.90
  4. Step 4: Simplify right side
    444,235.81x = 96,431,900,161.56
  5. Step 5: Solve for x
    x = 96,431,900,161.56/444,235.81
  6. Step 6: Final answer
    x = 217,073.68

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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.