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Finding the Fourth Proportional to 293,246.80, 440,129.40 and 251,256.40

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Solution

The fourth proportional to 293,246.80, 440,129.40 and 251,256.40 is: 377,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,246.80 : 440,129.40 = 251,256.40 : x
  2. Step 2: Convert to fraction form
    293,246.80/440,129.40 = 251,256.40/x
  3. Step 3: Cross multiply
    293,246.80x = 440,129.40 × 251,256.40
  4. Step 4: Simplify right side
    293,246.80x = 110,585,328,578.16
  5. Step 5: Solve for x
    x = 110,585,328,578.16/293,246.80
  6. Step 6: Final answer
    x = 377,106.68

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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.