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Finding the Fourth Proportional to 552,634.20, 828,951.30 and 510,643.80

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Solution

The fourth proportional to 552,634.20, 828,951.30 and 510,643.80 is: 765,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,634.20 : 828,951.30 = 510,643.80 : x
  2. Step 2: Convert to fraction form
    552,634.20/828,951.30 = 510,643.80/x
  3. Step 3: Cross multiply
    552,634.20x = 828,951.30 × 510,643.80
  4. Step 4: Simplify right side
    552,634.20x = 423,298,841,846.94
  5. Step 5: Solve for x
    x = 423,298,841,846.94/552,634.20
  6. Step 6: Final answer
    x = 765,965.70

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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.