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Finding the Fourth Proportional to 606,242.78, 836,619 and 334,320.92

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Solution

The fourth proportional to 606,242.78, 836,619 and 334,320.92 is: 461,365.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,242.78 : 836,619 = 334,320.92 : x
  2. Step 2: Convert to fraction form
    606,242.78/836,619 = 334,320.92/x
  3. Step 3: Cross multiply
    606,242.78x = 836,619 × 334,320.92
  4. Step 4: Simplify right side
    606,242.78x = 279,699,233,769.48
  5. Step 5: Solve for x
    x = 279,699,233,769.48/606,242.78
  6. Step 6: Final answer
    x = 461,365.06

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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.