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Finding the Fourth Proportional to 475,847.35, 656,693.40 and 261,007.41

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Solution

The fourth proportional to 475,847.35, 656,693.40 and 261,007.41 is: 360,203.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,847.35 : 656,693.40 = 261,007.41 : x
  2. Step 2: Convert to fraction form
    475,847.35/656,693.40 = 261,007.41/x
  3. Step 3: Cross multiply
    475,847.35x = 656,693.40 × 261,007.41
  4. Step 4: Simplify right side
    475,847.35x = 171,401,843,498.09
  5. Step 5: Solve for x
    x = 171,401,843,498.09/475,847.35
  6. Step 6: Final answer
    x = 360,203.42

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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.