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Finding the Fourth Proportional to 448,585.30, 673,007.55 and 133,049.80

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Solution

The fourth proportional to 448,585.30, 673,007.55 and 133,049.80 is: 199,613.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,585.30 : 673,007.55 = 133,049.80 : x
  2. Step 2: Convert to fraction form
    448,585.30/673,007.55 = 133,049.80/x
  3. Step 3: Cross multiply
    448,585.30x = 673,007.55 × 133,049.80
  4. Step 4: Simplify right side
    448,585.30x = 89,543,519,925.99
  5. Step 5: Solve for x
    x = 89,543,519,925.99/448,585.30
  6. Step 6: Final answer
    x = 199,613.14

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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.