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Finding the Fourth Proportional to 254,682.80, 382,024.20 and 229,313.60

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Solution

The fourth proportional to 254,682.80, 382,024.20 and 229,313.60 is: 343,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,682.80 : 382,024.20 = 229,313.60 : x
  2. Step 2: Convert to fraction form
    254,682.80/382,024.20 = 229,313.60/x
  3. Step 3: Cross multiply
    254,682.80x = 382,024.20 × 229,313.60
  4. Step 4: Simplify right side
    254,682.80x = 87,603,344,589.12
  5. Step 5: Solve for x
    x = 87,603,344,589.12/254,682.80
  6. Step 6: Final answer
    x = 343,970.40

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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.