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Finding the Fourth Proportional to 301,085.73, 415,516.68 and 173,769.51

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Solution

The fourth proportional to 301,085.73, 415,516.68 and 173,769.51 is: 239,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,085.73 : 415,516.68 = 173,769.51 : x
  2. Step 2: Convert to fraction form
    301,085.73/415,516.68 = 173,769.51/x
  3. Step 3: Cross multiply
    301,085.73x = 415,516.68 × 173,769.51
  4. Step 4: Simplify right side
    301,085.73x = 72,204,129,880.43
  5. Step 5: Solve for x
    x = 72,204,129,880.43/301,085.73
  6. Step 6: Final answer
    x = 239,812.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.