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Finding the Fourth Proportional to 636,015.88, 876,777.30 and 444,434.44

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Solution

The fourth proportional to 636,015.88, 876,777.30 and 444,434.44 is: 612,673.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,015.88 : 876,777.30 = 444,434.44 : x
  2. Step 2: Convert to fraction form
    636,015.88/876,777.30 = 444,434.44/x
  3. Step 3: Cross multiply
    636,015.88x = 876,777.30 × 444,434.44
  4. Step 4: Simplify right side
    636,015.88x = 389,670,028,330.21
  5. Step 5: Solve for x
    x = 389,670,028,330.21/636,015.88
  6. Step 6: Final answer
    x = 612,673.43

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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.