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Finding the Fourth Proportional to 558,993.68, 771,344.52 and 329,377.04

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Solution

The fourth proportional to 558,993.68, 771,344.52 and 329,377.04 is: 454,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,993.68 : 771,344.52 = 329,377.04 : x
  2. Step 2: Convert to fraction form
    558,993.68/771,344.52 = 329,377.04/x
  3. Step 3: Cross multiply
    558,993.68x = 771,344.52 × 329,377.04
  4. Step 4: Simplify right side
    558,993.68x = 254,063,174,817.82
  5. Step 5: Solve for x
    x = 254,063,174,817.82/558,993.68
  6. Step 6: Final answer
    x = 454,500.98

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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.