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Finding the Fourth Proportional to 475,910.36, 656,756.30 and 261,050.92

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Solution

The fourth proportional to 475,910.36, 656,756.30 and 261,050.92 is: 360,250.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,910.36 : 656,756.30 = 261,050.92 : x
  2. Step 2: Convert to fraction form
    475,910.36/656,756.30 = 261,050.92/x
  3. Step 3: Cross multiply
    475,910.36x = 656,756.30 × 261,050.92
  4. Step 4: Simplify right side
    475,910.36x = 171,446,836,330.80
  5. Step 5: Solve for x
    x = 171,446,836,330.80/475,910.36
  6. Step 6: Final answer
    x = 360,250.27

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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.