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Finding the Fourth Proportional to 396,097.02, 546,599.13 and 234,855.59

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Solution

The fourth proportional to 396,097.02, 546,599.13 and 234,855.59 is: 324,091.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,097.02 : 546,599.13 = 234,855.59 : x
  2. Step 2: Convert to fraction form
    396,097.02/546,599.13 = 234,855.59/x
  3. Step 3: Cross multiply
    396,097.02x = 546,599.13 × 234,855.59
  4. Step 4: Simplify right side
    396,097.02x = 128,371,858,216.46
  5. Step 5: Solve for x
    x = 128,371,858,216.46/396,097.02
  6. Step 6: Final answer
    x = 324,091.96

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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.