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Finding the Fourth Proportional to 379,165.86, 523,349.73 and 235,844.46

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Solution

The fourth proportional to 379,165.86, 523,349.73 and 235,844.46 is: 325,528.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,165.86 : 523,349.73 = 235,844.46 : x
  2. Step 2: Convert to fraction form
    379,165.86/523,349.73 = 235,844.46/x
  3. Step 3: Cross multiply
    379,165.86x = 523,349.73 × 235,844.46
  4. Step 4: Simplify right side
    379,165.86x = 123,429,134,463.00
  5. Step 5: Solve for x
    x = 123,429,134,463.00/379,165.86
  6. Step 6: Final answer
    x = 325,528.08

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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.