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Finding the Fourth Proportional to 550,796.63, 825,419.59 and 437,976.14

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Solution

The fourth proportional to 550,796.63, 825,419.59 and 437,976.14 is: 656,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,796.63 : 825,419.59 = 437,976.14 : x
  2. Step 2: Convert to fraction form
    550,796.63/825,419.59 = 437,976.14/x
  3. Step 3: Cross multiply
    550,796.63x = 825,419.59 × 437,976.14
  4. Step 4: Simplify right side
    550,796.63x = 361,514,084,239.85
  5. Step 5: Solve for x
    x = 361,514,084,239.85/550,796.63
  6. Step 6: Final answer
    x = 656,347.66

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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.