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Finding the Fourth Proportional to 360,816.71, 541,438.87 and 201,026.39

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Solution

The fourth proportional to 360,816.71, 541,438.87 and 201,026.39 is: 301,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,816.71 : 541,438.87 = 201,026.39 : x
  2. Step 2: Convert to fraction form
    360,816.71/541,438.87 = 201,026.39/x
  3. Step 3: Cross multiply
    360,816.71x = 541,438.87 × 201,026.39
  4. Step 4: Simplify right side
    360,816.71x = 108,843,501,441.78
  5. Step 5: Solve for x
    x = 108,843,501,441.78/360,816.71
  6. Step 6: Final answer
    x = 301,658.70

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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.