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Finding the Fourth Proportional to 484,038.68, 667,922.22 and 269,144.06

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Solution

The fourth proportional to 484,038.68, 667,922.22 and 269,144.06 is: 371,390.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,038.68 : 667,922.22 = 269,144.06 : x
  2. Step 2: Convert to fraction form
    484,038.68/667,922.22 = 269,144.06/x
  3. Step 3: Cross multiply
    484,038.68x = 667,922.22 × 269,144.06
  4. Step 4: Simplify right side
    484,038.68x = 179,767,298,055.01
  5. Step 5: Solve for x
    x = 179,767,298,055.01/484,038.68
  6. Step 6: Final answer
    x = 371,390.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.