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Finding the Fourth Proportional to 366,909.35, 550,339.41 and 100,647.56

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Solution

The fourth proportional to 366,909.35, 550,339.41 and 100,647.56 is: 150,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,909.35 : 550,339.41 = 100,647.56 : x
  2. Step 2: Convert to fraction form
    366,909.35/550,339.41 = 100,647.56/x
  3. Step 3: Cross multiply
    366,909.35x = 550,339.41 × 100,647.56
  4. Step 4: Simplify right side
    366,909.35x = 55,390,320,541.62
  5. Step 5: Solve for x
    x = 55,390,320,541.62/366,909.35
  6. Step 6: Final answer
    x = 150,964.59

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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.