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Finding the Fourth Proportional to 452,365.88, 677,515.26 and 215,874.64

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Solution

The fourth proportional to 452,365.88, 677,515.26 and 215,874.64 is: 323,318.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,365.88 : 677,515.26 = 215,874.64 : x
  2. Step 2: Convert to fraction form
    452,365.88/677,515.26 = 215,874.64/x
  3. Step 3: Cross multiply
    452,365.88x = 677,515.26 × 215,874.64
  4. Step 4: Simplify right side
    452,365.88x = 146,258,362,847.01
  5. Step 5: Solve for x
    x = 146,258,362,847.01/452,365.88
  6. Step 6: Final answer
    x = 323,318.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.