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Finding the Fourth Proportional to 551,745.78, 827,602.28 and 152,410.52

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Solution

The fourth proportional to 551,745.78, 827,602.28 and 152,410.52 is: 228,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,745.78 : 827,602.28 = 152,410.52 : x
  2. Step 2: Convert to fraction form
    551,745.78/827,602.28 = 152,410.52/x
  3. Step 3: Cross multiply
    551,745.78x = 827,602.28 × 152,410.52
  4. Step 4: Simplify right side
    551,745.78x = 126,135,293,847.99
  5. Step 5: Solve for x
    x = 126,135,293,847.99/551,745.78
  6. Step 6: Final answer
    x = 228,611.25

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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.