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Finding the Fourth Proportional to 365,637.08, 548,198.04 and 140,809.16

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Solution

The fourth proportional to 365,637.08, 548,198.04 and 140,809.16 is: 211,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,637.08 : 548,198.04 = 140,809.16 : x
  2. Step 2: Convert to fraction form
    365,637.08/548,198.04 = 140,809.16/x
  3. Step 3: Cross multiply
    365,637.08x = 548,198.04 × 140,809.16
  4. Step 4: Simplify right side
    365,637.08x = 77,191,305,526.05
  5. Step 5: Solve for x
    x = 77,191,305,526.05/365,637.08
  6. Step 6: Final answer
    x = 211,114.54

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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.