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Finding the Fourth Proportional to 444,234.81, 666,351.68 and 144,714.90

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Solution

The fourth proportional to 444,234.81, 666,351.68 and 144,714.90 is: 217,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,234.81 : 666,351.68 = 144,714.90 : x
  2. Step 2: Convert to fraction form
    444,234.81/666,351.68 = 144,714.90/x
  3. Step 3: Cross multiply
    444,234.81x = 666,351.68 × 144,714.90
  4. Step 4: Simplify right side
    444,234.81x = 96,431,016,736.03
  5. Step 5: Solve for x
    x = 96,431,016,736.03/444,234.81
  6. Step 6: Final answer
    x = 217,072.18

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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.