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Finding the Fourth Proportional to 371,395.68, 515,148.14 and 361,551.82

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Solution

The fourth proportional to 371,395.68, 515,148.14 and 361,551.82 is: 501,494.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,395.68 : 515,148.14 = 361,551.82 : x
  2. Step 2: Convert to fraction form
    371,395.68/515,148.14 = 361,551.82/x
  3. Step 3: Cross multiply
    371,395.68x = 515,148.14 × 361,551.82
  4. Step 4: Simplify right side
    371,395.68x = 186,252,747,586.62
  5. Step 5: Solve for x
    x = 186,252,747,586.62/371,395.68
  6. Step 6: Final answer
    x = 501,494.11

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.