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Finding the Fourth Proportional to 293,373.44, 440,244.48 and 143,705.60

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Solution

The fourth proportional to 293,373.44, 440,244.48 and 143,705.60 is: 215,648.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,373.44 : 440,244.48 = 143,705.60 : x
  2. Step 2: Convert to fraction form
    293,373.44/440,244.48 = 143,705.60/x
  3. Step 3: Cross multiply
    293,373.44x = 440,244.48 × 143,705.60
  4. Step 4: Simplify right side
    293,373.44x = 63,265,597,145.09
  5. Step 5: Solve for x
    x = 63,265,597,145.09/293,373.44
  6. Step 6: Final answer
    x = 215,648.69

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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.