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Finding the Fourth Proportional to 477,400.69, 658,797.87 and 262,540.09

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Solution

The fourth proportional to 477,400.69, 658,797.87 and 262,540.09 is: 362,297.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,400.69 : 658,797.87 = 262,540.09 : x
  2. Step 2: Convert to fraction form
    477,400.69/658,797.87 = 262,540.09/x
  3. Step 3: Cross multiply
    477,400.69x = 658,797.87 × 262,540.09
  4. Step 4: Simplify right side
    477,400.69x = 172,960,852,081.61
  5. Step 5: Solve for x
    x = 172,960,852,081.61/477,400.69
  6. Step 6: Final answer
    x = 362,297.03

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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.