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Finding the Fourth Proportional to 504,540, 696,270.65 and 275,095.44

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Solution

The fourth proportional to 504,540, 696,270.65 and 275,095.44 is: 379,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,540 : 696,270.65 = 275,095.44 : x
  2. Step 2: Convert to fraction form
    504,540/696,270.65 = 275,095.44/x
  3. Step 3: Cross multiply
    504,540x = 696,270.65 × 275,095.44
  4. Step 4: Simplify right side
    504,540x = 191,540,879,445.36
  5. Step 5: Solve for x
    x = 191,540,879,445.36/504,540
  6. Step 6: Final answer
    x = 379,634.68

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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.