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Finding the Fourth Proportional to 502,859.26, 753,790.64 and 236,142.34

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Solution

The fourth proportional to 502,859.26, 753,790.64 and 236,142.34 is: 353,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,859.26 : 753,790.64 = 236,142.34 : x
  2. Step 2: Convert to fraction form
    502,859.26/753,790.64 = 236,142.34/x
  3. Step 3: Cross multiply
    502,859.26x = 753,790.64 × 236,142.34
  4. Step 4: Simplify right side
    502,859.26x = 178,001,885,599.70
  5. Step 5: Solve for x
    x = 178,001,885,599.70/502,859.26
  6. Step 6: Final answer
    x = 353,979.53

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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.