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Finding the Fourth Proportional to 551,497.08, 760,947.89 and 321,950.19

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Solution

The fourth proportional to 551,497.08, 760,947.89 and 321,950.19 is: 444,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,497.08 : 760,947.89 = 321,950.19 : x
  2. Step 2: Convert to fraction form
    551,497.08/760,947.89 = 321,950.19/x
  3. Step 3: Cross multiply
    551,497.08x = 760,947.89 × 321,950.19
  4. Step 4: Simplify right side
    551,497.08x = 244,987,314,765.74
  5. Step 5: Solve for x
    x = 244,987,314,765.74/551,497.08
  6. Step 6: Final answer
    x = 444,222.33

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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.