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Finding the Fourth Proportional to 610,134.44, 842,016.39 and 351,915.32

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Solution

The fourth proportional to 610,134.44, 842,016.39 and 351,915.32 is: 485,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,134.44 : 842,016.39 = 351,915.32 : x
  2. Step 2: Convert to fraction form
    610,134.44/842,016.39 = 351,915.32/x
  3. Step 3: Cross multiply
    610,134.44x = 842,016.39 × 351,915.32
  4. Step 4: Simplify right side
    610,134.44x = 296,318,467,332.10
  5. Step 5: Solve for x
    x = 296,318,467,332.10/610,134.44
  6. Step 6: Final answer
    x = 485,660.94

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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.