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Finding the Fourth Proportional to 440,586.08, 660,879.75 and 108,162.08

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Solution

The fourth proportional to 440,586.08, 660,879.75 and 108,162.08 is: 162,243.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,586.08 : 660,879.75 = 108,162.08 : x
  2. Step 2: Convert to fraction form
    440,586.08/660,879.75 = 108,162.08/x
  3. Step 3: Cross multiply
    440,586.08x = 660,879.75 × 108,162.08
  4. Step 4: Simplify right side
    440,586.08x = 71,482,128,389.88
  5. Step 5: Solve for x
    x = 71,482,128,389.88/440,586.08
  6. Step 6: Final answer
    x = 162,243.27

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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.