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Finding the Fourth Proportional to 439,305.32, 606,241.86 and 238,101.32

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Solution

The fourth proportional to 439,305.32, 606,241.86 and 238,101.32 is: 328,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,305.32 : 606,241.86 = 238,101.32 : x
  2. Step 2: Convert to fraction form
    439,305.32/606,241.86 = 238,101.32/x
  3. Step 3: Cross multiply
    439,305.32x = 606,241.86 × 238,101.32
  4. Step 4: Simplify right side
    439,305.32x = 144,346,987,105.26
  5. Step 5: Solve for x
    x = 144,346,987,105.26/439,305.32
  6. Step 6: Final answer
    x = 328,580.10

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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.