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Finding the Fourth Proportional to 554,377.77, 831,559.37 and 133,650.27

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Solution

The fourth proportional to 554,377.77, 831,559.37 and 133,650.27 is: 200,473.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,377.77 : 831,559.37 = 133,650.27 : x
  2. Step 2: Convert to fraction form
    554,377.77/831,559.37 = 133,650.27/x
  3. Step 3: Cross multiply
    554,377.77x = 831,559.37 × 133,650.27
  4. Step 4: Simplify right side
    554,377.77x = 111,138,133,653.28
  5. Step 5: Solve for x
    x = 111,138,133,653.28/554,377.77
  6. Step 6: Final answer
    x = 200,473.65

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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.