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Finding the Fourth Proportional to 444,357.53, 666,378.65 and 159,971.72

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Solution

The fourth proportional to 444,357.53, 666,378.65 and 159,971.72 is: 239,900.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,357.53 : 666,378.65 = 159,971.72 : x
  2. Step 2: Convert to fraction form
    444,357.53/666,378.65 = 159,971.72/x
  3. Step 3: Cross multiply
    444,357.53x = 666,378.65 × 159,971.72
  4. Step 4: Simplify right side
    444,357.53x = 106,601,739,246.55
  5. Step 5: Solve for x
    x = 106,601,739,246.55/444,357.53
  6. Step 6: Final answer
    x = 239,900.83

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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.