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Finding the Fourth Proportional to 395,391.26, 592,837.72 and 335,440.69

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Solution

The fourth proportional to 395,391.26, 592,837.72 and 335,440.69 is: 502,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,391.26 : 592,837.72 = 335,440.69 : x
  2. Step 2: Convert to fraction form
    395,391.26/592,837.72 = 335,440.69/x
  3. Step 3: Cross multiply
    395,391.26x = 592,837.72 × 335,440.69
  4. Step 4: Simplify right side
    395,391.26x = 198,861,896,283.98
  5. Step 5: Solve for x
    x = 198,861,896,283.98/395,391.26
  6. Step 6: Final answer
    x = 502,949.65

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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.