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Finding the Fourth Proportional to 503,547.78, 694,910.46 and 274,119.93

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Solution

The fourth proportional to 503,547.78, 694,910.46 and 274,119.93 is: 378,293.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,547.78 : 694,910.46 = 274,119.93 : x
  2. Step 2: Convert to fraction form
    503,547.78/694,910.46 = 274,119.93/x
  3. Step 3: Cross multiply
    503,547.78x = 694,910.46 × 274,119.93
  4. Step 4: Simplify right side
    503,547.78x = 190,488,806,651.47
  5. Step 5: Solve for x
    x = 190,488,806,651.47/503,547.78
  6. Step 6: Final answer
    x = 378,293.41

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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.