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Finding the Fourth Proportional to 570,556.36, 787,394.82 and 344,197

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Solution

The fourth proportional to 570,556.36, 787,394.82 and 344,197 is: 475,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,556.36 : 787,394.82 = 344,197 : x
  2. Step 2: Convert to fraction form
    570,556.36/787,394.82 = 344,197/x
  3. Step 3: Cross multiply
    570,556.36x = 787,394.82 × 344,197
  4. Step 4: Simplify right side
    570,556.36x = 271,018,934,859.54
  5. Step 5: Solve for x
    x = 271,018,934,859.54/570,556.36
  6. Step 6: Final answer
    x = 475,008.17

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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.