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Finding the Fourth Proportional to 606,713.11, 837,263.09 and 334,780.78

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Solution

The fourth proportional to 606,713.11, 837,263.09 and 334,780.78 is: 461,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,713.11 : 837,263.09 = 334,780.78 : x
  2. Step 2: Convert to fraction form
    606,713.11/837,263.09 = 334,780.78/x
  3. Step 3: Cross multiply
    606,713.11x = 837,263.09 × 334,780.78
  4. Step 4: Simplify right side
    606,713.11x = 280,299,590,335.41
  5. Step 5: Solve for x
    x = 280,299,590,335.41/606,713.11
  6. Step 6: Final answer
    x = 461,996.92

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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.