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Finding the Fourth Proportional to 404,433.99, 558,321.15 and 251,521.44

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Solution

The fourth proportional to 404,433.99, 558,321.15 and 251,521.44 is: 347,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,433.99 : 558,321.15 = 251,521.44 : x
  2. Step 2: Convert to fraction form
    404,433.99/558,321.15 = 251,521.44/x
  3. Step 3: Cross multiply
    404,433.99x = 558,321.15 × 251,521.44
  4. Step 4: Simplify right side
    404,433.99x = 140,429,736,357.75
  5. Step 5: Solve for x
    x = 140,429,736,357.75/404,433.99
  6. Step 6: Final answer
    x = 347,225.36

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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.