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Finding the Fourth Proportional to 426,681.24, 588,960.43 and 339,626.03

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Solution

The fourth proportional to 426,681.24, 588,960.43 and 339,626.03 is: 468,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,681.24 : 588,960.43 = 339,626.03 : x
  2. Step 2: Convert to fraction form
    426,681.24/588,960.43 = 339,626.03/x
  3. Step 3: Cross multiply
    426,681.24x = 588,960.43 × 339,626.03
  4. Step 4: Simplify right side
    426,681.24x = 200,026,290,179.95
  5. Step 5: Solve for x
    x = 200,026,290,179.95/426,681.24
  6. Step 6: Final answer
    x = 468,795.61

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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.