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Finding the Fourth Proportional to 438,818.43, 605,569.44 and 237,614.43

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Solution

The fourth proportional to 438,818.43, 605,569.44 and 237,614.43 is: 327,907.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,818.43 : 605,569.44 = 237,614.43 : x
  2. Step 2: Convert to fraction form
    438,818.43/605,569.44 = 237,614.43/x
  3. Step 3: Cross multiply
    438,818.43x = 605,569.44 × 237,614.43
  4. Step 4: Simplify right side
    438,818.43x = 143,892,037,311.02
  5. Step 5: Solve for x
    x = 143,892,037,311.02/438,818.43
  6. Step 6: Final answer
    x = 327,907.92

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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.