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Finding the Fourth Proportional to 439,092.64, 605,948.46 and 237,888.64

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Solution

The fourth proportional to 439,092.64, 605,948.46 and 237,888.64 is: 328,286.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,092.64 : 605,948.46 = 237,888.64 : x
  2. Step 2: Convert to fraction form
    439,092.64/605,948.46 = 237,888.64/x
  3. Step 3: Cross multiply
    439,092.64x = 605,948.46 × 237,888.64
  4. Step 4: Simplify right side
    439,092.64x = 144,148,255,059.49
  5. Step 5: Solve for x
    x = 144,148,255,059.49/439,092.64
  6. Step 6: Final answer
    x = 328,286.66

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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.