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Finding the Fourth Proportional to 396,252.54, 546,828.51 and 226,490.31

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Solution

The fourth proportional to 396,252.54, 546,828.51 and 226,490.31 is: 312,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,252.54 : 546,828.51 = 226,490.31 : x
  2. Step 2: Convert to fraction form
    396,252.54/546,828.51 = 226,490.31/x
  3. Step 3: Cross multiply
    396,252.54x = 546,828.51 × 226,490.31
  4. Step 4: Simplify right side
    396,252.54x = 123,851,358,746.74
  5. Step 5: Solve for x
    x = 123,851,358,746.74/396,252.54
  6. Step 6: Final answer
    x = 312,556.63

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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.