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Finding the Fourth Proportional to 439,297.32, 606,230.82 and 238,093.32

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Solution

The fourth proportional to 439,297.32, 606,230.82 and 238,093.32 is: 328,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,297.32 : 606,230.82 = 238,093.32 : x
  2. Step 2: Convert to fraction form
    439,297.32/606,230.82 = 238,093.32/x
  3. Step 3: Cross multiply
    439,297.32x = 606,230.82 × 238,093.32
  4. Step 4: Simplify right side
    439,297.32x = 144,339,508,620.12
  5. Step 5: Solve for x
    x = 144,339,508,620.12/439,297.32
  6. Step 6: Final answer
    x = 328,569.06

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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.