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Finding the Fourth Proportional to 605,978.16, 836,212.26 and 334,032

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Solution

The fourth proportional to 605,978.16, 836,212.26 and 334,032 is: 460,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,978.16 : 836,212.26 = 334,032 : x
  2. Step 2: Convert to fraction form
    605,978.16/836,212.26 = 334,032/x
  3. Step 3: Cross multiply
    605,978.16x = 836,212.26 × 334,032
  4. Step 4: Simplify right side
    605,978.16x = 279,321,653,632.32
  5. Step 5: Solve for x
    x = 279,321,653,632.32/605,978.16
  6. Step 6: Final answer
    x = 460,943.43

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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.