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Finding the Fourth Proportional to 277,324.65, 415,403.78 and 230,668.65

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Solution

The fourth proportional to 277,324.65, 415,403.78 and 230,668.65 is: 345,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,324.65 : 415,403.78 = 230,668.65 : x
  2. Step 2: Convert to fraction form
    277,324.65/415,403.78 = 230,668.65/x
  3. Step 3: Cross multiply
    277,324.65x = 415,403.78 × 230,668.65
  4. Step 4: Simplify right side
    277,324.65x = 95,820,627,984.15
  5. Step 5: Solve for x
    x = 95,820,627,984.15/277,324.65
  6. Step 6: Final answer
    x = 345,517.89

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1.5x scale

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.