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Finding the Fourth Proportional to 699,552.15, 965,353.46 and 413,164.95

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Solution

The fourth proportional to 699,552.15, 965,353.46 and 413,164.95 is: 570,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,552.15 : 965,353.46 = 413,164.95 : x
  2. Step 2: Convert to fraction form
    699,552.15/965,353.46 = 413,164.95/x
  3. Step 3: Cross multiply
    699,552.15x = 965,353.46 × 413,164.95
  4. Step 4: Simplify right side
    699,552.15x = 398,850,211,967.40
  5. Step 5: Solve for x
    x = 398,850,211,967.40/699,552.15
  6. Step 6: Final answer
    x = 570,150.79

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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.