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Finding the Fourth Proportional to 551,098.82, 760,425.81 and 324,713.54

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Solution

The fourth proportional to 551,098.82, 760,425.81 and 324,713.54 is: 448,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,098.82 : 760,425.81 = 324,713.54 : x
  2. Step 2: Convert to fraction form
    551,098.82/760,425.81 = 324,713.54/x
  3. Step 3: Cross multiply
    551,098.82x = 760,425.81 × 324,713.54
  4. Step 4: Simplify right side
    551,098.82x = 246,920,556,672.47
  5. Step 5: Solve for x
    x = 246,920,556,672.47/551,098.82
  6. Step 6: Final answer
    x = 448,051.33

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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.