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Finding the Fourth Proportional to 561,048.82, 842,818.84 and 347,974.22

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Solution

The fourth proportional to 561,048.82, 842,818.84 and 347,974.22 is: 522,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,048.82 : 842,818.84 = 347,974.22 : x
  2. Step 2: Convert to fraction form
    561,048.82/842,818.84 = 347,974.22/x
  3. Step 3: Cross multiply
    561,048.82x = 842,818.84 × 347,974.22
  4. Step 4: Simplify right side
    561,048.82x = 293,279,228,450.31
  5. Step 5: Solve for x
    x = 293,279,228,450.31/561,048.82
  6. Step 6: Final answer
    x = 522,733.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.