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Finding the Fourth Proportional to 448,412.04, 672,620.48 and 132,871.68

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Solution

The fourth proportional to 448,412.04, 672,620.48 and 132,871.68 is: 199,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,412.04 : 672,620.48 = 132,871.68 : x
  2. Step 2: Convert to fraction form
    448,412.04/672,620.48 = 132,871.68/x
  3. Step 3: Cross multiply
    448,412.04x = 672,620.48 × 132,871.68
  4. Step 4: Simplify right side
    448,412.04x = 89,372,213,180.01
  5. Step 5: Solve for x
    x = 89,372,213,180.01/448,412.04
  6. Step 6: Final answer
    x = 199,308.24

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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.