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Finding the Fourth Proportional to 552,419.12, 828,772.86 and 173,351.87

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Solution

The fourth proportional to 552,419.12, 828,772.86 and 173,351.87 is: 260,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,419.12 : 828,772.86 = 173,351.87 : x
  2. Step 2: Convert to fraction form
    552,419.12/828,772.86 = 173,351.87/x
  3. Step 3: Cross multiply
    552,419.12x = 828,772.86 × 173,351.87
  4. Step 4: Simplify right side
    552,419.12x = 143,669,320,942.38
  5. Step 5: Solve for x
    x = 143,669,320,942.38/552,419.12
  6. Step 6: Final answer
    x = 260,073.04

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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.