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Finding the Fourth Proportional to 344,475.54, 475,318.80 and 191,509.47

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Solution

The fourth proportional to 344,475.54, 475,318.80 and 191,509.47 is: 264,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,475.54 : 475,318.80 = 191,509.47 : x
  2. Step 2: Convert to fraction form
    344,475.54/475,318.80 = 191,509.47/x
  3. Step 3: Cross multiply
    344,475.54x = 475,318.80 × 191,509.47
  4. Step 4: Simplify right side
    344,475.54x = 91,028,051,469.04
  5. Step 5: Solve for x
    x = 91,028,051,469.04/344,475.54
  6. Step 6: Final answer
    x = 264,251.13

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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.