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Finding the Fourth Proportional to 336,051.38, 463,978.77 and 235,274.42

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Solution

The fourth proportional to 336,051.38, 463,978.77 and 235,274.42 is: 324,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,051.38 : 463,978.77 = 235,274.42 : x
  2. Step 2: Convert to fraction form
    336,051.38/463,978.77 = 235,274.42/x
  3. Step 3: Cross multiply
    336,051.38x = 463,978.77 × 235,274.42
  4. Step 4: Simplify right side
    336,051.38x = 109,162,336,004.06
  5. Step 5: Solve for x
    x = 109,162,336,004.06/336,051.38
  6. Step 6: Final answer
    x = 324,838.23

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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.