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Finding the Fourth Proportional to 475,911.86, 656,758.37 and 261,052.42

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Solution

The fourth proportional to 475,911.86, 656,758.37 and 261,052.42 is: 360,252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,911.86 : 656,758.37 = 261,052.42 : x
  2. Step 2: Convert to fraction form
    475,911.86/656,758.37 = 261,052.42/x
  3. Step 3: Cross multiply
    475,911.86x = 656,758.37 × 261,052.42
  4. Step 4: Simplify right side
    475,911.86x = 171,448,361,843.76
  5. Step 5: Solve for x
    x = 171,448,361,843.76/475,911.86
  6. Step 6: Final answer
    x = 360,252.34

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1.5x scale

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.