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Finding the Fourth Proportional to 605,689.27, 835,794.08 and 357,292.51

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Solution

The fourth proportional to 605,689.27, 835,794.08 and 357,292.51 is: 493,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,689.27 : 835,794.08 = 357,292.51 : x
  2. Step 2: Convert to fraction form
    605,689.27/835,794.08 = 357,292.51/x
  3. Step 3: Cross multiply
    605,689.27x = 835,794.08 × 357,292.51
  4. Step 4: Simplify right side
    605,689.27x = 298,622,964,686.34
  5. Step 5: Solve for x
    x = 298,622,964,686.34/605,689.27
  6. Step 6: Final answer
    x = 493,029.97

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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.