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Finding the Fourth Proportional to 293,047.80, 440,090.10 and 226,649.40

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Solution

The fourth proportional to 293,047.80, 440,090.10 and 226,649.40 is: 340,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,047.80 : 440,090.10 = 226,649.40 : x
  2. Step 2: Convert to fraction form
    293,047.80/440,090.10 = 226,649.40/x
  3. Step 3: Cross multiply
    293,047.80x = 440,090.10 × 226,649.40
  4. Step 4: Simplify right side
    293,047.80x = 99,746,157,110.94
  5. Step 5: Solve for x
    x = 99,746,157,110.94/293,047.80
  6. Step 6: Final answer
    x = 340,375.04

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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.