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Finding the Fourth Proportional to 552,471.03, 828,722.57 and 215,498.07

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Solution

The fourth proportional to 552,471.03, 828,722.57 and 215,498.07 is: 323,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,471.03 : 828,722.57 = 215,498.07 : x
  2. Step 2: Convert to fraction form
    552,471.03/828,722.57 = 215,498.07/x
  3. Step 3: Cross multiply
    552,471.03x = 828,722.57 × 215,498.07
  4. Step 4: Simplify right side
    552,471.03x = 178,588,114,400.44
  5. Step 5: Solve for x
    x = 178,588,114,400.44/552,471.03
  6. Step 6: Final answer
    x = 323,253.36

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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.