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Finding the Fourth Proportional to 606,318.10, 836,778.12 and 453,090.22

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Solution

The fourth proportional to 606,318.10, 836,778.12 and 453,090.22 is: 625,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,318.10 : 836,778.12 = 453,090.22 : x
  2. Step 2: Convert to fraction form
    606,318.10/836,778.12 = 453,090.22/x
  3. Step 3: Cross multiply
    606,318.10x = 836,778.12 × 453,090.22
  4. Step 4: Simplify right side
    606,318.10x = 379,135,982,481.99
  5. Step 5: Solve for x
    x = 379,135,982,481.99/606,318.10
  6. Step 6: Final answer
    x = 625,308.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.