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Finding the Fourth Proportional to 344,709.57, 475,727.95 and 191,776.58

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Solution

The fourth proportional to 344,709.57, 475,727.95 and 191,776.58 is: 264,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,709.57 : 475,727.95 = 191,776.58 : x
  2. Step 2: Convert to fraction form
    344,709.57/475,727.95 = 191,776.58/x
  3. Step 3: Cross multiply
    344,709.57x = 475,727.95 × 191,776.58
  4. Step 4: Simplify right side
    344,709.57x = 91,233,478,906.47
  5. Step 5: Solve for x
    x = 91,233,478,906.47/344,709.57
  6. Step 6: Final answer
    x = 264,667.67

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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.