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Finding the Fourth Proportional to 439,801.85, 606,927.71 and 238,597.85

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Solution

The fourth proportional to 439,801.85, 606,927.71 and 238,597.85 is: 329,265.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,801.85 : 606,927.71 = 238,597.85 : x
  2. Step 2: Convert to fraction form
    439,801.85/606,927.71 = 238,597.85/x
  3. Step 3: Cross multiply
    439,801.85x = 606,927.71 × 238,597.85
  4. Step 4: Simplify right side
    439,801.85x = 144,811,644,273.28
  5. Step 5: Solve for x
    x = 144,811,644,273.28/439,801.85
  6. Step 6: Final answer
    x = 329,265.66

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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.