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Finding the Fourth Proportional to 444,486.72, 666,836.19 and 144,967.62

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Solution

The fourth proportional to 444,486.72, 666,836.19 and 144,967.62 is: 217,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,486.72 : 666,836.19 = 144,967.62 : x
  2. Step 2: Convert to fraction form
    444,486.72/666,836.19 = 144,967.62/x
  3. Step 3: Cross multiply
    444,486.72x = 666,836.19 × 144,967.62
  4. Step 4: Simplify right side
    444,486.72x = 96,669,655,394.17
  5. Step 5: Solve for x
    x = 96,669,655,394.17/444,486.72
  6. Step 6: Final answer
    x = 217,486.04

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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.