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Finding the Fourth Proportional to 554,377.02, 831,558.24 and 133,649.52

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Solution

The fourth proportional to 554,377.02, 831,558.24 and 133,649.52 is: 200,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,377.02 : 831,558.24 = 133,649.52 : x
  2. Step 2: Convert to fraction form
    554,377.02/831,558.24 = 133,649.52/x
  3. Step 3: Cross multiply
    554,377.02x = 831,558.24 × 133,649.52
  4. Step 4: Simplify right side
    554,377.02x = 111,137,359,628.05
  5. Step 5: Solve for x
    x = 111,137,359,628.05/554,377.02
  6. Step 6: Final answer
    x = 200,472.52

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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.