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Finding the Fourth Proportional to 396,801.58, 547,500.98 and 235,710.94

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Solution

The fourth proportional to 396,801.58, 547,500.98 and 235,710.94 is: 325,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,801.58 : 547,500.98 = 235,710.94 : x
  2. Step 2: Convert to fraction form
    396,801.58/547,500.98 = 235,710.94/x
  3. Step 3: Cross multiply
    396,801.58x = 547,500.98 × 235,710.94
  4. Step 4: Simplify right side
    396,801.58x = 129,051,970,646.72
  5. Step 5: Solve for x
    x = 129,051,970,646.72/396,801.58
  6. Step 6: Final answer
    x = 325,230.49

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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.