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Finding the Fourth Proportional to 566,649.44, 782,004.96 and 321,651.44

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Solution

The fourth proportional to 566,649.44, 782,004.96 and 321,651.44 is: 443,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,649.44 : 782,004.96 = 321,651.44 : x
  2. Step 2: Convert to fraction form
    566,649.44/782,004.96 = 321,651.44/x
  3. Step 3: Cross multiply
    566,649.44x = 782,004.96 × 321,651.44
  4. Step 4: Simplify right side
    566,649.44x = 251,533,021,471.14
  5. Step 5: Solve for x
    x = 251,533,021,471.14/566,649.44
  6. Step 6: Final answer
    x = 443,895.30

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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.