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Finding the Fourth Proportional to 396,300.76, 546,904.50 and 226,550.68

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Solution

The fourth proportional to 396,300.76, 546,904.50 and 226,550.68 is: 312,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,300.76 : 546,904.50 = 226,550.68 : x
  2. Step 2: Convert to fraction form
    396,300.76/546,904.50 = 226,550.68/x
  3. Step 3: Cross multiply
    396,300.76x = 546,904.50 × 226,550.68
  4. Step 4: Simplify right side
    396,300.76x = 123,901,586,370.06
  5. Step 5: Solve for x
    x = 123,901,586,370.06/396,300.76
  6. Step 6: Final answer
    x = 312,645.34

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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.