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Finding the Fourth Proportional to 400,166.56, 600,205.63 and 100,647.26

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Solution

The fourth proportional to 400,166.56, 600,205.63 and 100,647.26 is: 150,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,166.56 : 600,205.63 = 100,647.26 : x
  2. Step 2: Convert to fraction form
    400,166.56/600,205.63 = 100,647.26/x
  3. Step 3: Cross multiply
    400,166.56x = 600,205.63 × 100,647.26
  4. Step 4: Simplify right side
    400,166.56x = 60,409,051,282.91
  5. Step 5: Solve for x
    x = 60,409,051,282.91/400,166.56
  6. Step 6: Final answer
    x = 150,959.77

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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.