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Finding the Fourth Proportional to 633,388.74, 947,699.46 and 444,218.37

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Solution

The fourth proportional to 633,388.74, 947,699.46 and 444,218.37 is: 664,655.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,388.74 : 947,699.46 = 444,218.37 : x
  2. Step 2: Convert to fraction form
    633,388.74/947,699.46 = 444,218.37/x
  3. Step 3: Cross multiply
    633,388.74x = 947,699.46 × 444,218.37
  4. Step 4: Simplify right side
    633,388.74x = 420,985,509,371.08
  5. Step 5: Solve for x
    x = 420,985,509,371.08/633,388.74
  6. Step 6: Final answer
    x = 664,655.82

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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.