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Finding the Fourth Proportional to 493,613.67, 739,860.77 and 226,822.91

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Solution

The fourth proportional to 493,613.67, 739,860.77 and 226,822.91 is: 339,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,613.67 : 739,860.77 = 226,822.91 : x
  2. Step 2: Convert to fraction form
    493,613.67/739,860.77 = 226,822.91/x
  3. Step 3: Cross multiply
    493,613.67x = 739,860.77 × 226,822.91
  4. Step 4: Simplify right side
    493,613.67x = 167,817,372,488.47
  5. Step 5: Solve for x
    x = 167,817,372,488.47/493,613.67
  6. Step 6: Final answer
    x = 339,977.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.