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Finding the Fourth Proportional to 694,708.05, 958,676.51 and 384,624.46

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Solution

The fourth proportional to 694,708.05, 958,676.51 and 384,624.46 is: 530,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,708.05 : 958,676.51 = 384,624.46 : x
  2. Step 2: Convert to fraction form
    694,708.05/958,676.51 = 384,624.46/x
  3. Step 3: Cross multiply
    694,708.05x = 958,676.51 × 384,624.46
  4. Step 4: Simplify right side
    694,708.05x = 368,730,434,973.44
  5. Step 5: Solve for x
    x = 368,730,434,973.44/694,708.05
  6. Step 6: Final answer
    x = 530,770.35

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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.