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Finding the Fourth Proportional to 552,067.98, 828,141.35 and 147,257.92

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Solution

The fourth proportional to 552,067.98, 828,141.35 and 147,257.92 is: 220,897.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,067.98 : 828,141.35 = 147,257.92 : x
  2. Step 2: Convert to fraction form
    552,067.98/828,141.35 = 147,257.92/x
  3. Step 3: Cross multiply
    552,067.98x = 828,141.35 × 147,257.92
  4. Step 4: Simplify right side
    552,067.98x = 121,950,372,666.99
  5. Step 5: Solve for x
    x = 121,950,372,666.99/552,067.98
  6. Step 6: Final answer
    x = 220,897.38

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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.