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Finding the Fourth Proportional to 552,542.58, 828,908.10 and 173,390.22

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Solution

The fourth proportional to 552,542.58, 828,908.10 and 173,390.22 is: 260,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,542.58 : 828,908.10 = 173,390.22 : x
  2. Step 2: Convert to fraction form
    552,542.58/828,908.10 = 173,390.22/x
  3. Step 3: Cross multiply
    552,542.58x = 828,908.10 × 173,390.22
  4. Step 4: Simplify right side
    552,542.58x = 143,724,557,818.78
  5. Step 5: Solve for x
    x = 143,724,557,818.78/552,542.58
  6. Step 6: Final answer
    x = 260,114.90

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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.