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Finding the Fourth Proportional to 605,886.31, 836,073.95 and 351,253.90

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Solution

The fourth proportional to 605,886.31, 836,073.95 and 351,253.90 is: 484,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,886.31 : 836,073.95 = 351,253.90 : x
  2. Step 2: Convert to fraction form
    605,886.31/836,073.95 = 351,253.90/x
  3. Step 3: Cross multiply
    605,886.31x = 836,073.95 × 351,253.90
  4. Step 4: Simplify right side
    605,886.31x = 293,674,236,890.53
  5. Step 5: Solve for x
    x = 293,674,236,890.53/605,886.31
  6. Step 6: Final answer
    x = 484,701.88

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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.