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Finding the Fourth Proportional to 296,902.39, 445,347.34 and 72,264.07

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Solution

The fourth proportional to 296,902.39, 445,347.34 and 72,264.07 is: 108,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,902.39 : 445,347.34 = 72,264.07 : x
  2. Step 2: Convert to fraction form
    296,902.39/445,347.34 = 72,264.07/x
  3. Step 3: Cross multiply
    296,902.39x = 445,347.34 × 72,264.07
  4. Step 4: Simplify right side
    296,902.39x = 32,182,613,183.88
  5. Step 5: Solve for x
    x = 32,182,613,183.88/296,902.39
  6. Step 6: Final answer
    x = 108,394.59

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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.