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Finding the Fourth Proportional to 274,415.20, 410,845.20 and 246,421.60

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Solution

The fourth proportional to 274,415.20, 410,845.20 and 246,421.60 is: 368,934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,415.20 : 410,845.20 = 246,421.60 : x
  2. Step 2: Convert to fraction form
    274,415.20/410,845.20 = 246,421.60/x
  3. Step 3: Cross multiply
    274,415.20x = 410,845.20 × 246,421.60
  4. Step 4: Simplify right side
    274,415.20x = 101,241,131,536.32
  5. Step 5: Solve for x
    x = 101,241,131,536.32/274,415.20
  6. Step 6: Final answer
    x = 368,934.12

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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.