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Finding the Fourth Proportional to 551,501.82, 760,954.44 and 321,954.93

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Solution

The fourth proportional to 551,501.82, 760,954.44 and 321,954.93 is: 444,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,501.82 : 760,954.44 = 321,954.93 : x
  2. Step 2: Convert to fraction form
    551,501.82/760,954.44 = 321,954.93/x
  3. Step 3: Cross multiply
    551,501.82x = 760,954.44 × 321,954.93
  4. Step 4: Simplify right side
    551,501.82x = 244,993,033,463.39
  5. Step 5: Solve for x
    x = 244,993,033,463.39/551,501.82
  6. Step 6: Final answer
    x = 444,228.88

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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.