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Finding the Fourth Proportional to 344,397.42, 475,277.22 and 189,346.82

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Solution

The fourth proportional to 344,397.42, 475,277.22 and 189,346.82 is: 261,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,397.42 : 475,277.22 = 189,346.82 : x
  2. Step 2: Convert to fraction form
    344,397.42/475,277.22 = 189,346.82/x
  3. Step 3: Cross multiply
    344,397.42x = 475,277.22 × 189,346.82
  4. Step 4: Simplify right side
    344,397.42x = 89,992,227,849.05
  5. Step 5: Solve for x
    x = 89,992,227,849.05/344,397.42
  6. Step 6: Final answer
    x = 261,303.43

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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.