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Finding the Fourth Proportional to 672,272.84, 927,724.62 and 366,351.96

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Solution

The fourth proportional to 672,272.84, 927,724.62 and 366,351.96 is: 505,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,272.84 : 927,724.62 = 366,351.96 : x
  2. Step 2: Convert to fraction form
    672,272.84/927,724.62 = 366,351.96/x
  3. Step 3: Cross multiply
    672,272.84x = 927,724.62 × 366,351.96
  4. Step 4: Simplify right side
    672,272.84x = 339,873,732,877.26
  5. Step 5: Solve for x
    x = 339,873,732,877.26/672,272.84
  6. Step 6: Final answer
    x = 505,559.22

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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.