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Finding the Fourth Proportional to 406,385.99, 609,049.44 and 226,464.24

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Solution

The fourth proportional to 406,385.99, 609,049.44 and 226,464.24 is: 339,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,385.99 : 609,049.44 = 226,464.24 : x
  2. Step 2: Convert to fraction form
    406,385.99/609,049.44 = 226,464.24/x
  3. Step 3: Cross multiply
    406,385.99x = 609,049.44 × 226,464.24
  4. Step 4: Simplify right side
    406,385.99x = 137,927,918,552.03
  5. Step 5: Solve for x
    x = 137,927,918,552.03/406,385.99
  6. Step 6: Final answer
    x = 339,401.27

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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.