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Finding the Fourth Proportional to 696,254.88, 960,834.96 and 394,507.68

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Solution

The fourth proportional to 696,254.88, 960,834.96 and 394,507.68 is: 544,422.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,254.88 : 960,834.96 = 394,507.68 : x
  2. Step 2: Convert to fraction form
    696,254.88/960,834.96 = 394,507.68/x
  3. Step 3: Cross multiply
    696,254.88x = 960,834.96 × 394,507.68
  4. Step 4: Simplify right side
    696,254.88x = 379,056,770,932.49
  5. Step 5: Solve for x
    x = 379,056,770,932.49/696,254.88
  6. Step 6: Final answer
    x = 544,422.43

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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.