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Finding the Fourth Proportional to 448,134.80, 672,007.80 and 181,806.80

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Solution

The fourth proportional to 448,134.80, 672,007.80 and 181,806.80 is: 272,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,134.80 : 672,007.80 = 181,806.80 : x
  2. Step 2: Convert to fraction form
    448,134.80/672,007.80 = 181,806.80/x
  3. Step 3: Cross multiply
    448,134.80x = 672,007.80 × 181,806.80
  4. Step 4: Simplify right side
    448,134.80x = 122,175,587,693.04
  5. Step 5: Solve for x
    x = 122,175,587,693.04/448,134.80
  6. Step 6: Final answer
    x = 272,631.33

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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.