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Finding the Fourth Proportional to 606,818.90, 837,430.20 and 331,191.82

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Solution

The fourth proportional to 606,818.90, 837,430.20 and 331,191.82 is: 457,055.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,818.90 : 837,430.20 = 331,191.82 : x
  2. Step 2: Convert to fraction form
    606,818.90/837,430.20 = 331,191.82/x
  3. Step 3: Cross multiply
    606,818.90x = 837,430.20 × 331,191.82
  4. Step 4: Simplify right side
    606,818.90x = 277,350,033,107.75
  5. Step 5: Solve for x
    x = 277,350,033,107.75/606,818.90
  6. Step 6: Final answer
    x = 457,055.69

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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.