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Finding the Fourth Proportional to 552,107.12, 827,570.16 and 252,138.20

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Solution

The fourth proportional to 552,107.12, 827,570.16 and 252,138.20 is: 377,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,107.12 : 827,570.16 = 252,138.20 : x
  2. Step 2: Convert to fraction form
    552,107.12/827,570.16 = 252,138.20/x
  3. Step 3: Cross multiply
    552,107.12x = 827,570.16 × 252,138.20
  4. Step 4: Simplify right side
    552,107.12x = 208,662,046,378.26
  5. Step 5: Solve for x
    x = 208,662,046,378.26/552,107.12
  6. Step 6: Final answer
    x = 377,937.62

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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.