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Finding the Fourth Proportional to 404,166.56, 606,296.64 and 134,318.80

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Solution

The fourth proportional to 404,166.56, 606,296.64 and 134,318.80 is: 201,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,166.56 : 606,296.64 = 134,318.80 : x
  2. Step 2: Convert to fraction form
    404,166.56/606,296.64 = 134,318.80/x
  3. Step 3: Cross multiply
    404,166.56x = 606,296.64 × 134,318.80
  4. Step 4: Simplify right side
    404,166.56x = 81,437,037,128.83
  5. Step 5: Solve for x
    x = 81,437,037,128.83/404,166.56
  6. Step 6: Final answer
    x = 201,493.75

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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.