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Finding the Fourth Proportional to 605,885.28, 836,072.52 and 351,252.87

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Solution

The fourth proportional to 605,885.28, 836,072.52 and 351,252.87 is: 484,700.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,885.28 : 836,072.52 = 351,252.87 : x
  2. Step 2: Convert to fraction form
    605,885.28/836,072.52 = 351,252.87/x
  3. Step 3: Cross multiply
    605,885.28x = 836,072.52 × 351,252.87
  4. Step 4: Simplify right side
    605,885.28x = 293,672,872,178.13
  5. Step 5: Solve for x
    x = 293,672,872,178.13/605,885.28
  6. Step 6: Final answer
    x = 484,700.46

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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.