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Finding the Fourth Proportional to 605,967.63, 836,197.77 and 334,021.47

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Solution

The fourth proportional to 605,967.63, 836,197.77 and 334,021.47 is: 460,928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,967.63 : 836,197.77 = 334,021.47 : x
  2. Step 2: Convert to fraction form
    605,967.63/836,197.77 = 334,021.47/x
  3. Step 3: Cross multiply
    605,967.63x = 836,197.77 × 334,021.47
  4. Step 4: Simplify right side
    605,967.63x = 279,308,008,346.12
  5. Step 5: Solve for x
    x = 279,308,008,346.12/605,967.63
  6. Step 6: Final answer
    x = 460,928.93

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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.