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Finding the Fourth Proportional to 696,255.88, 960,836.34 and 394,508.68

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Solution

The fourth proportional to 696,255.88, 960,836.34 and 394,508.68 is: 544,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,255.88 : 960,836.34 = 394,508.68 : x
  2. Step 2: Convert to fraction form
    696,255.88/960,836.34 = 394,508.68/x
  3. Step 3: Cross multiply
    696,255.88x = 960,836.34 × 394,508.68
  4. Step 4: Simplify right side
    696,255.88x = 379,058,276,189.43
  5. Step 5: Solve for x
    x = 379,058,276,189.43/696,255.88
  6. Step 6: Final answer
    x = 544,423.81

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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.