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Finding the Fourth Proportional to 403,725.92, 605,588.87 and 119,394.32

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Solution

The fourth proportional to 403,725.92, 605,588.87 and 119,394.32 is: 179,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,725.92 : 605,588.87 = 119,394.32 : x
  2. Step 2: Convert to fraction form
    403,725.92/605,588.87 = 119,394.32/x
  3. Step 3: Cross multiply
    403,725.92x = 605,588.87 × 119,394.32
  4. Step 4: Simplify right side
    403,725.92x = 72,303,867,708.30
  5. Step 5: Solve for x
    x = 72,303,867,708.30/403,725.92
  6. Step 6: Final answer
    x = 179,091.47

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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.