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Finding the Fourth Proportional to 605,712.16, 835,871.30 and 333,805.19

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Solution

The fourth proportional to 605,712.16, 835,871.30 and 333,805.19 is: 460,644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,712.16 : 835,871.30 = 333,805.19 : x
  2. Step 2: Convert to fraction form
    605,712.16/835,871.30 = 333,805.19/x
  3. Step 3: Cross multiply
    605,712.16x = 835,871.30 × 333,805.19
  4. Step 4: Simplify right side
    605,712.16x = 279,018,178,112.05
  5. Step 5: Solve for x
    x = 279,018,178,112.05/605,712.16
  6. Step 6: Final answer
    x = 460,644.84

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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.