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Finding the Fourth Proportional to 339,371.05, 468,319.22 and 188,477.77

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Solution

The fourth proportional to 339,371.05, 468,319.22 and 188,477.77 is: 260,092.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,371.05 : 468,319.22 = 188,477.77 : x
  2. Step 2: Convert to fraction form
    339,371.05/468,319.22 = 188,477.77/x
  3. Step 3: Cross multiply
    339,371.05x = 468,319.22 × 188,477.77
  4. Step 4: Simplify right side
    339,371.05x = 88,267,761,291.35
  5. Step 5: Solve for x
    x = 88,267,761,291.35/339,371.05
  6. Step 6: Final answer
    x = 260,092.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.