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Finding the Fourth Proportional to 552,651.70, 828,977.55 and 487,333.30

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Solution

The fourth proportional to 552,651.70, 828,977.55 and 487,333.30 is: 730,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,651.70 : 828,977.55 = 487,333.30 : x
  2. Step 2: Convert to fraction form
    552,651.70/828,977.55 = 487,333.30/x
  3. Step 3: Cross multiply
    552,651.70x = 828,977.55 × 487,333.30
  4. Step 4: Simplify right side
    552,651.70x = 403,988,365,067.42
  5. Step 5: Solve for x
    x = 403,988,365,067.42/552,651.70
  6. Step 6: Final answer
    x = 730,999.95

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Similar ratio
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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.