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Finding the Fourth Proportional to 396,283.02, 546,870.48 and 226,520.80

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Solution

The fourth proportional to 396,283.02, 546,870.48 and 226,520.80 is: 312,598.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,283.02 : 546,870.48 = 226,520.80 : x
  2. Step 2: Convert to fraction form
    396,283.02/546,870.48 = 226,520.80/x
  3. Step 3: Cross multiply
    396,283.02x = 546,870.48 × 226,520.80
  4. Step 4: Simplify right side
    396,283.02x = 123,877,538,625.98
  5. Step 5: Solve for x
    x = 123,877,538,625.98/396,283.02
  6. Step 6: Final answer
    x = 312,598.65

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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.