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Finding the Fourth Proportional to 303,722.19, 455,595.77 and 104,179.77

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Solution

The fourth proportional to 303,722.19, 455,595.77 and 104,179.77 is: 156,273.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,722.19 : 455,595.77 = 104,179.77 : x
  2. Step 2: Convert to fraction form
    303,722.19/455,595.77 = 104,179.77/x
  3. Step 3: Cross multiply
    303,722.19x = 455,595.77 × 104,179.77
  4. Step 4: Simplify right side
    303,722.19x = 47,463,862,531.57
  5. Step 5: Solve for x
    x = 47,463,862,531.57/303,722.19
  6. Step 6: Final answer
    x = 156,273.94

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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.