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Finding the Fourth Proportional to 591,649, 816,533.06 and 350,009.36

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Solution

The fourth proportional to 591,649, 816,533.06 and 350,009.36 is: 483,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,649 : 816,533.06 = 350,009.36 : x
  2. Step 2: Convert to fraction form
    591,649/816,533.06 = 350,009.36/x
  3. Step 3: Cross multiply
    591,649x = 816,533.06 × 350,009.36
  4. Step 4: Simplify right side
    591,649x = 285,794,213,749.44
  5. Step 5: Solve for x
    x = 285,794,213,749.44/591,649
  6. Step 6: Final answer
    x = 483,046.90

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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.