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Finding the Fourth Proportional to 363,609, 545,472.59 and 107,467.56

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Solution

The fourth proportional to 363,609, 545,472.59 and 107,467.56 is: 161,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,609 : 545,472.59 = 107,467.56 : x
  2. Step 2: Convert to fraction form
    363,609/545,472.59 = 107,467.56/x
  3. Step 3: Cross multiply
    363,609x = 545,472.59 × 107,467.56
  4. Step 4: Simplify right side
    363,609x = 58,620,607,756.84
  5. Step 5: Solve for x
    x = 58,620,607,756.84/363,609
  6. Step 6: Final answer
    x = 161,218.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.