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Finding the Fourth Proportional to 444,342.42, 666,386.28 and 144,849.15

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Solution

The fourth proportional to 444,342.42, 666,386.28 and 144,849.15 is: 217,232.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,342.42 : 666,386.28 = 144,849.15 : x
  2. Step 2: Convert to fraction form
    444,342.42/666,386.28 = 144,849.15/x
  3. Step 3: Cross multiply
    444,342.42x = 666,386.28 × 144,849.15
  4. Step 4: Simplify right side
    444,342.42x = 96,525,486,229.66
  5. Step 5: Solve for x
    x = 96,525,486,229.66/444,342.42
  6. Step 6: Final answer
    x = 217,232.21

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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.