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Finding the Fourth Proportional to 706,367.39, 974,773.24 and 384,074.66

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Solution

The fourth proportional to 706,367.39, 974,773.24 and 384,074.66 is: 530,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,367.39 : 974,773.24 = 384,074.66 : x
  2. Step 2: Convert to fraction form
    706,367.39/974,773.24 = 384,074.66/x
  3. Step 3: Cross multiply
    706,367.39x = 974,773.24 × 384,074.66
  4. Step 4: Simplify right side
    706,367.39x = 374,385,702,206.85
  5. Step 5: Solve for x
    x = 374,385,702,206.85/706,367.39
  6. Step 6: Final answer
    x = 530,015.56

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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.