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Finding the Fourth Proportional to 552,180.30, 828,270.45 and 197,205.90

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Solution

The fourth proportional to 552,180.30, 828,270.45 and 197,205.90 is: 295,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,180.30 : 828,270.45 = 197,205.90 : x
  2. Step 2: Convert to fraction form
    552,180.30/828,270.45 = 197,205.90/x
  3. Step 3: Cross multiply
    552,180.30x = 828,270.45 × 197,205.90
  4. Step 4: Simplify right side
    552,180.30x = 163,339,819,535.66
  5. Step 5: Solve for x
    x = 163,339,819,535.66/552,180.30
  6. Step 6: Final answer
    x = 295,808.85

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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.