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Finding the Fourth Proportional to 605,305.95, 835,260.39 and 372,695.94

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Solution

The fourth proportional to 605,305.95, 835,260.39 and 372,695.94 is: 514,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,305.95 : 835,260.39 = 372,695.94 : x
  2. Step 2: Convert to fraction form
    605,305.95/835,260.39 = 372,695.94/x
  3. Step 3: Cross multiply
    605,305.95x = 835,260.39 × 372,695.94
  4. Step 4: Simplify right side
    605,305.95x = 311,298,156,195.82
  5. Step 5: Solve for x
    x = 311,298,156,195.82/605,305.95
  6. Step 6: Final answer
    x = 514,282.33

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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.