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Finding the Fourth Proportional to 504,556.43, 696,284.10 and 275,117.65

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Solution

The fourth proportional to 504,556.43, 696,284.10 and 275,117.65 is: 379,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,556.43 : 696,284.10 = 275,117.65 : x
  2. Step 2: Convert to fraction form
    504,556.43/696,284.10 = 275,117.65/x
  3. Step 3: Cross multiply
    504,556.43x = 696,284.10 × 275,117.65
  4. Step 4: Simplify right side
    504,556.43x = 191,560,043,583.66
  5. Step 5: Solve for x
    x = 191,560,043,583.66/504,556.43
  6. Step 6: Final answer
    x = 379,660.30

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1.5x scale

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.