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Finding the Fourth Proportional to 369,647.42, 554,539.37 and 116,991.41

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Solution

The fourth proportional to 369,647.42, 554,539.37 and 116,991.41 is: 175,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,647.42 : 554,539.37 = 116,991.41 : x
  2. Step 2: Convert to fraction form
    369,647.42/554,539.37 = 116,991.41/x
  3. Step 3: Cross multiply
    369,647.42x = 554,539.37 × 116,991.41
  4. Step 4: Simplify right side
    369,647.42x = 64,876,339,439.16
  5. Step 5: Solve for x
    x = 64,876,339,439.16/369,647.42
  6. Step 6: Final answer
    x = 175,508.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.