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Finding the Fourth Proportional to 884,708.64, 1,327,063.77 and 219,860.64

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Solution

The fourth proportional to 884,708.64, 1,327,063.77 and 219,860.64 is: 329,791.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,708.64 : 1,327,063.77 = 219,860.64 : x
  2. Step 2: Convert to fraction form
    884,708.64/1,327,063.77 = 219,860.64/x
  3. Step 3: Cross multiply
    884,708.64x = 1,327,063.77 × 219,860.64
  4. Step 4: Simplify right side
    884,708.64x = 291,769,089,793.01
  5. Step 5: Solve for x
    x = 291,769,089,793.01/884,708.64
  6. Step 6: Final answer
    x = 329,791.16

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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.