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Finding the Fourth Proportional to 552,122.02, 828,625.88 and 285,958.65

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Solution

The fourth proportional to 552,122.02, 828,625.88 and 285,958.65 is: 429,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,122.02 : 828,625.88 = 285,958.65 : x
  2. Step 2: Convert to fraction form
    552,122.02/828,625.88 = 285,958.65/x
  3. Step 3: Cross multiply
    552,122.02x = 828,625.88 × 285,958.65
  4. Step 4: Simplify right side
    552,122.02x = 236,952,741,822.11
  5. Step 5: Solve for x
    x = 236,952,741,822.11/552,122.02
  6. Step 6: Final answer
    x = 429,167.34

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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.