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Finding the Fourth Proportional to 371,479.96, 557,314.26 and 171,944.28

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Solution

The fourth proportional to 371,479.96, 557,314.26 and 171,944.28 is: 257,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,479.96 : 557,314.26 = 171,944.28 : x
  2. Step 2: Convert to fraction form
    371,479.96/557,314.26 = 171,944.28/x
  3. Step 3: Cross multiply
    371,479.96x = 557,314.26 × 171,944.28
  4. Step 4: Simplify right side
    371,479.96x = 95,826,999,169.43
  5. Step 5: Solve for x
    x = 95,826,999,169.43/371,479.96
  6. Step 6: Final answer
    x = 257,960.08

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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.