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Finding the Fourth Proportional to 605,725.15, 835,901.90 and 364,011.43

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Solution

The fourth proportional to 605,725.15, 835,901.90 and 364,011.43 is: 502,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,725.15 : 835,901.90 = 364,011.43 : x
  2. Step 2: Convert to fraction form
    605,725.15/835,901.90 = 364,011.43/x
  3. Step 3: Cross multiply
    605,725.15x = 835,901.90 × 364,011.43
  4. Step 4: Simplify right side
    605,725.15x = 304,277,844,138.66
  5. Step 5: Solve for x
    x = 304,277,844,138.66/605,725.15
  6. Step 6: Final answer
    x = 502,336.49

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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.