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Finding the Fourth Proportional to 444,576.51, 666,934.22 and 144,987.42

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Solution

The fourth proportional to 444,576.51, 666,934.22 and 144,987.42 is: 217,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,576.51 : 666,934.22 = 144,987.42 : x
  2. Step 2: Convert to fraction form
    444,576.51/666,934.22 = 144,987.42/x
  3. Step 3: Cross multiply
    444,576.51x = 666,934.22 × 144,987.42
  4. Step 4: Simplify right side
    444,576.51x = 96,697,071,142.58
  5. Step 5: Solve for x
    x = 96,697,071,142.58/444,576.51
  6. Step 6: Final answer
    x = 217,503.78

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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.