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Finding the Fourth Proportional to 605,718, 835,908.12 and 337,463.28

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Solution

The fourth proportional to 605,718, 835,908.12 and 337,463.28 is: 465,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,718 : 835,908.12 = 337,463.28 : x
  2. Step 2: Convert to fraction form
    605,718/835,908.12 = 337,463.28/x
  3. Step 3: Cross multiply
    605,718x = 835,908.12 × 337,463.28
  4. Step 4: Simplify right side
    605,718x = 282,088,295,953.83
  5. Step 5: Solve for x
    x = 282,088,295,953.83/605,718
  6. Step 6: Final answer
    x = 465,708.95

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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.