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Finding the Fourth Proportional to 396,818.04, 547,580.58 and 224,686.56

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Solution

The fourth proportional to 396,818.04, 547,580.58 and 224,686.56 is: 310,051.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,818.04 : 547,580.58 = 224,686.56 : x
  2. Step 2: Convert to fraction form
    396,818.04/547,580.58 = 224,686.56/x
  3. Step 3: Cross multiply
    396,818.04x = 547,580.58 × 224,686.56
  4. Step 4: Simplify right side
    396,818.04x = 123,033,996,843.01
  5. Step 5: Solve for x
    x = 123,033,996,843.01/396,818.04
  6. Step 6: Final answer
    x = 310,051.42

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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.