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Finding the Fourth Proportional to 365,397.39, 504,212.94 and 229,387.86

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Solution

The fourth proportional to 365,397.39, 504,212.94 and 229,387.86 is: 316,532.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,397.39 : 504,212.94 = 229,387.86 : x
  2. Step 2: Convert to fraction form
    365,397.39/504,212.94 = 229,387.86/x
  3. Step 3: Cross multiply
    365,397.39x = 504,212.94 × 229,387.86
  4. Step 4: Simplify right side
    365,397.39x = 115,660,327,290.91
  5. Step 5: Solve for x
    x = 115,660,327,290.91/365,397.39
  6. Step 6: Final answer
    x = 316,532.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.