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Finding the Fourth Proportional to 250,653.78, 345,984.93 and 224,081.73

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Solution

The fourth proportional to 250,653.78, 345,984.93 and 224,081.73 is: 309,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,653.78 : 345,984.93 = 224,081.73 : x
  2. Step 2: Convert to fraction form
    250,653.78/345,984.93 = 224,081.73/x
  3. Step 3: Cross multiply
    250,653.78x = 345,984.93 × 224,081.73
  4. Step 4: Simplify right side
    250,653.78x = 77,528,901,668.33
  5. Step 5: Solve for x
    x = 77,528,901,668.33/250,653.78
  6. Step 6: Final answer
    x = 309,306.73

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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.