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Finding the Fourth Proportional to 293,234.40, 440,726.40 and 254,743.20

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Solution

The fourth proportional to 293,234.40, 440,726.40 and 254,743.20 is: 382,874.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,234.40 : 440,726.40 = 254,743.20 : x
  2. Step 2: Convert to fraction form
    293,234.40/440,726.40 = 254,743.20/x
  3. Step 3: Cross multiply
    293,234.40x = 440,726.40 × 254,743.20
  4. Step 4: Simplify right side
    293,234.40x = 112,272,053,460.48
  5. Step 5: Solve for x
    x = 112,272,053,460.48/293,234.40
  6. Step 6: Final answer
    x = 382,874.77

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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.