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Finding the Fourth Proportional to 404,625.06, 606,937.39 and 120,314.39

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Solution

The fourth proportional to 404,625.06, 606,937.39 and 120,314.39 is: 180,471.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,625.06 : 606,937.39 = 120,314.39 : x
  2. Step 2: Convert to fraction form
    404,625.06/606,937.39 = 120,314.39/x
  3. Step 3: Cross multiply
    404,625.06x = 606,937.39 × 120,314.39
  4. Step 4: Simplify right side
    404,625.06x = 73,023,298,510.57
  5. Step 5: Solve for x
    x = 73,023,298,510.57/404,625.06
  6. Step 6: Final answer
    x = 180,471.52

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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.