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Finding the Fourth Proportional to 650,611.92, 975,956.16 and 251,254.80

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Solution

The fourth proportional to 650,611.92, 975,956.16 and 251,254.80 is: 376,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,611.92 : 975,956.16 = 251,254.80 : x
  2. Step 2: Convert to fraction form
    650,611.92/975,956.16 = 251,254.80/x
  3. Step 3: Cross multiply
    650,611.92x = 975,956.16 × 251,254.80
  4. Step 4: Simplify right side
    650,611.92x = 245,213,669,789.57
  5. Step 5: Solve for x
    x = 245,213,669,789.57/650,611.92
  6. Step 6: Final answer
    x = 376,896.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.