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Finding the Fourth Proportional to 432,620.82, 597,028.77 and 239,041.01

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Solution

The fourth proportional to 432,620.82, 597,028.77 and 239,041.01 is: 329,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,620.82 : 597,028.77 = 239,041.01 : x
  2. Step 2: Convert to fraction form
    432,620.82/597,028.77 = 239,041.01/x
  3. Step 3: Cross multiply
    432,620.82x = 597,028.77 × 239,041.01
  4. Step 4: Simplify right side
    432,620.82x = 142,714,361,672.43
  5. Step 5: Solve for x
    x = 142,714,361,672.43/432,620.82
  6. Step 6: Final answer
    x = 329,883.25

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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.