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Finding the Fourth Proportional to 444,428.63, 666,650.84 and 144,908.04

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Solution

The fourth proportional to 444,428.63, 666,650.84 and 144,908.04 is: 217,364.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,428.63 : 666,650.84 = 144,908.04 : x
  2. Step 2: Convert to fraction form
    444,428.63/666,650.84 = 144,908.04/x
  3. Step 3: Cross multiply
    444,428.63x = 666,650.84 × 144,908.04
  4. Step 4: Simplify right side
    444,428.63x = 96,603,065,864.21
  5. Step 5: Solve for x
    x = 96,603,065,864.21/444,428.63
  6. Step 6: Final answer
    x = 217,364.64

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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.