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Finding the Fourth Proportional to 552,325.20, 828,973.80 and 327,404.40

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Solution

The fourth proportional to 552,325.20, 828,973.80 and 327,404.40 is: 491,394.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,325.20 : 828,973.80 = 327,404.40 : x
  2. Step 2: Convert to fraction form
    552,325.20/828,973.80 = 327,404.40/x
  3. Step 3: Cross multiply
    552,325.20x = 828,973.80 × 327,404.40
  4. Step 4: Simplify right side
    552,325.20x = 271,409,669,604.72
  5. Step 5: Solve for x
    x = 271,409,669,604.72/552,325.20
  6. Step 6: Final answer
    x = 491,394.69

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1.5x scale

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.