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Finding the Fourth Proportional to 344,534.70, 475,587.78 and 201,341.28

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Solution

The fourth proportional to 344,534.70, 475,587.78 and 201,341.28 is: 277,926.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,534.70 : 475,587.78 = 201,341.28 : x
  2. Step 2: Convert to fraction form
    344,534.70/475,587.78 = 201,341.28/x
  3. Step 3: Cross multiply
    344,534.70x = 475,587.78 × 201,341.28
  4. Step 4: Simplify right side
    344,534.70x = 95,755,452,377.56
  5. Step 5: Solve for x
    x = 95,755,452,377.56/344,534.70
  6. Step 6: Final answer
    x = 277,926.87

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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.