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Finding the Fourth Proportional to 622,298.17, 858,787.52 and 350,375.66

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Solution

The fourth proportional to 622,298.17, 858,787.52 and 350,375.66 is: 483,527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,298.17 : 858,787.52 = 350,375.66 : x
  2. Step 2: Convert to fraction form
    622,298.17/858,787.52 = 350,375.66/x
  3. Step 3: Cross multiply
    622,298.17x = 858,787.52 × 350,375.66
  4. Step 4: Simplify right side
    622,298.17x = 300,898,238,073.95
  5. Step 5: Solve for x
    x = 300,898,238,073.95/622,298.17
  6. Step 6: Final answer
    x = 483,527.44

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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.