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Finding the Fourth Proportional to 552,449.34, 827,344.80 and 374,416.20

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Solution

The fourth proportional to 552,449.34, 827,344.80 and 374,416.20 is: 560,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,449.34 : 827,344.80 = 374,416.20 : x
  2. Step 2: Convert to fraction form
    552,449.34/827,344.80 = 374,416.20/x
  3. Step 3: Cross multiply
    552,449.34x = 827,344.80 × 374,416.20
  4. Step 4: Simplify right side
    552,449.34x = 309,771,296,105.76
  5. Step 5: Solve for x
    x = 309,771,296,105.76/552,449.34
  6. Step 6: Final answer
    x = 560,723.44

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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.