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Finding the Fourth Proportional to 369,428.66, 554,241.66 and 132,773.38

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Solution

The fourth proportional to 369,428.66, 554,241.66 and 132,773.38 is: 199,195.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,428.66 : 554,241.66 = 132,773.38 : x
  2. Step 2: Convert to fraction form
    369,428.66/554,241.66 = 132,773.38/x
  3. Step 3: Cross multiply
    369,428.66x = 554,241.66 × 132,773.38
  4. Step 4: Simplify right side
    369,428.66x = 73,588,538,535.01
  5. Step 5: Solve for x
    x = 73,588,538,535.01/369,428.66
  6. Step 6: Final answer
    x = 199,195.53

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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.