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Finding the Fourth Proportional to 448,507.39, 672,776.97 and 111,549.80

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Solution

The fourth proportional to 448,507.39, 672,776.97 and 111,549.80 is: 167,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,507.39 : 672,776.97 = 111,549.80 : x
  2. Step 2: Convert to fraction form
    448,507.39/672,776.97 = 111,549.80/x
  3. Step 3: Cross multiply
    448,507.39x = 672,776.97 × 111,549.80
  4. Step 4: Simplify right side
    448,507.39x = 75,048,135,890.36
  5. Step 5: Solve for x
    x = 75,048,135,890.36/448,507.39
  6. Step 6: Final answer
    x = 167,328.65

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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.