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Finding the Fourth Proportional to 299,276.78, 448,336.28 and 250,668.27

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Solution

The fourth proportional to 299,276.78, 448,336.28 and 250,668.27 is: 375,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,276.78 : 448,336.28 = 250,668.27 : x
  2. Step 2: Convert to fraction form
    299,276.78/448,336.28 = 250,668.27/x
  3. Step 3: Cross multiply
    299,276.78x = 448,336.28 × 250,668.27
  4. Step 4: Simplify right side
    299,276.78x = 112,383,680,312.51
  5. Step 5: Solve for x
    x = 112,383,680,312.51/299,276.78
  6. Step 6: Final answer
    x = 375,517.55

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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.