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Finding the Fourth Proportional to 293,459.80, 440,189.70 and 251,469.40

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Solution

The fourth proportional to 293,459.80, 440,189.70 and 251,469.40 is: 377,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,459.80 : 440,189.70 = 251,469.40 : x
  2. Step 2: Convert to fraction form
    293,459.80/440,189.70 = 251,469.40/x
  3. Step 3: Cross multiply
    293,459.80x = 440,189.70 × 251,469.40
  4. Step 4: Simplify right side
    293,459.80x = 110,694,239,745.18
  5. Step 5: Solve for x
    x = 110,694,239,745.18/293,459.80
  6. Step 6: Final answer
    x = 377,204.10

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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.