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Finding the Fourth Proportional to 344,383.30, 475,248.54 and 191,416.66

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Solution

The fourth proportional to 344,383.30, 475,248.54 and 191,416.66 is: 264,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,383.30 : 475,248.54 = 191,416.66 : x
  2. Step 2: Convert to fraction form
    344,383.30/475,248.54 = 191,416.66/x
  3. Step 3: Cross multiply
    344,383.30x = 475,248.54 × 191,416.66
  4. Step 4: Simplify right side
    344,383.30x = 90,970,488,196.68
  5. Step 5: Solve for x
    x = 90,970,488,196.68/344,383.30
  6. Step 6: Final answer
    x = 264,154.76

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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.