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Finding the Fourth Proportional to 293,640.60, 440,460.90 and 236,559.90

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Solution

The fourth proportional to 293,640.60, 440,460.90 and 236,559.90 is: 354,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,640.60 : 440,460.90 = 236,559.90 : x
  2. Step 2: Convert to fraction form
    293,640.60/440,460.90 = 236,559.90/x
  3. Step 3: Cross multiply
    293,640.60x = 440,460.90 × 236,559.90
  4. Step 4: Simplify right side
    293,640.60x = 104,195,386,457.91
  5. Step 5: Solve for x
    x = 104,195,386,457.91/293,640.60
  6. Step 6: Final answer
    x = 354,839.85

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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.