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Finding the Fourth Proportional to 439,801.22, 606,926.86 and 238,597.22

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Solution

The fourth proportional to 439,801.22, 606,926.86 and 238,597.22 is: 329,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,801.22 : 606,926.86 = 238,597.22 : x
  2. Step 2: Convert to fraction form
    439,801.22/606,926.86 = 238,597.22/x
  3. Step 3: Cross multiply
    439,801.22x = 606,926.86 × 238,597.22
  4. Step 4: Simplify right side
    439,801.22x = 144,811,061,539.33
  5. Step 5: Solve for x
    x = 144,811,061,539.33/439,801.22
  6. Step 6: Final answer
    x = 329,264.80

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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.