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Finding the Fourth Proportional to 572,367.40, 858,274.62 and 335,786.92

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Solution

The fourth proportional to 572,367.40, 858,274.62 and 335,786.92 is: 503,518.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,367.40 : 858,274.62 = 335,786.92 : x
  2. Step 2: Convert to fraction form
    572,367.40/858,274.62 = 335,786.92/x
  3. Step 3: Cross multiply
    572,367.40x = 858,274.62 × 335,786.92
  4. Step 4: Simplify right side
    572,367.40x = 288,197,391,163.97
  5. Step 5: Solve for x
    x = 288,197,391,163.97/572,367.40
  6. Step 6: Final answer
    x = 503,518.18

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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.