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Finding the Fourth Proportional to 701,901.66, 968,624.30 and 379,611.76

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Solution

The fourth proportional to 701,901.66, 968,624.30 and 379,611.76 is: 523,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,901.66 : 968,624.30 = 379,611.76 : x
  2. Step 2: Convert to fraction form
    701,901.66/968,624.30 = 379,611.76/x
  3. Step 3: Cross multiply
    701,901.66x = 968,624.30 × 379,611.76
  4. Step 4: Simplify right side
    701,901.66x = 367,701,174,761.24
  5. Step 5: Solve for x
    x = 367,701,174,761.24/701,901.66
  6. Step 6: Final answer
    x = 523,864.23

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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.