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Finding the Fourth Proportional to 404,399.08, 606,691.96 and 120,083.32

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Solution

The fourth proportional to 404,399.08, 606,691.96 and 120,083.32 is: 180,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,399.08 : 606,691.96 = 120,083.32 : x
  2. Step 2: Convert to fraction form
    404,399.08/606,691.96 = 120,083.32/x
  3. Step 3: Cross multiply
    404,399.08x = 606,691.96 × 120,083.32
  4. Step 4: Simplify right side
    404,399.08x = 72,853,584,774.11
  5. Step 5: Solve for x
    x = 72,853,584,774.11/404,399.08
  6. Step 6: Final answer
    x = 180,152.70

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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.