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Finding the Fourth Proportional to 293,160.42, 439,250.82 and 282,239.46

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Solution

The fourth proportional to 293,160.42, 439,250.82 and 282,239.46 is: 422,887.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,160.42 : 439,250.82 = 282,239.46 : x
  2. Step 2: Convert to fraction form
    293,160.42/439,250.82 = 282,239.46/x
  3. Step 3: Cross multiply
    293,160.42x = 439,250.82 × 282,239.46
  4. Step 4: Simplify right side
    293,160.42x = 123,973,914,241.36
  5. Step 5: Solve for x
    x = 123,973,914,241.36/293,160.42
  6. Step 6: Final answer
    x = 422,887.63

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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.