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Finding the Fourth Proportional to 884,969.98, 1,327,455.72 and 379,202.88

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Solution

The fourth proportional to 884,969.98, 1,327,455.72 and 379,202.88 is: 568,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,969.98 : 1,327,455.72 = 379,202.88 : x
  2. Step 2: Convert to fraction form
    884,969.98/1,327,455.72 = 379,202.88/x
  3. Step 3: Cross multiply
    884,969.98x = 1,327,455.72 × 379,202.88
  4. Step 4: Simplify right side
    884,969.98x = 503,375,032,096.47
  5. Step 5: Solve for x
    x = 503,375,032,096.47/884,969.98
  6. Step 6: Final answer
    x = 568,804.64

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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.