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Finding the Fourth Proportional to 364,649.30, 503,266.75 and 203,514.73

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Solution

The fourth proportional to 364,649.30, 503,266.75 and 203,514.73 is: 280,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,649.30 : 503,266.75 = 203,514.73 : x
  2. Step 2: Convert to fraction form
    364,649.30/503,266.75 = 203,514.73/x
  3. Step 3: Cross multiply
    364,649.30x = 503,266.75 × 203,514.73
  4. Step 4: Simplify right side
    364,649.30x = 102,422,196,744.23
  5. Step 5: Solve for x
    x = 102,422,196,744.23/364,649.30
  6. Step 6: Final answer
    x = 280,878.63

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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.