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Finding the Fourth Proportional to 446,226.56, 669,347.84 and 162,118.88

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Solution

The fourth proportional to 446,226.56, 669,347.84 and 162,118.88 is: 243,181.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,226.56 : 669,347.84 = 162,118.88 : x
  2. Step 2: Convert to fraction form
    446,226.56/669,347.84 = 162,118.88/x
  3. Step 3: Cross multiply
    446,226.56x = 669,347.84 × 162,118.88
  4. Step 4: Simplify right side
    446,226.56x = 108,513,922,151.22
  5. Step 5: Solve for x
    x = 108,513,922,151.22/446,226.56
  6. Step 6: Final answer
    x = 243,181.23

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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.