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Finding the Fourth Proportional to 606,713.61, 837,263.78 and 334,781.28

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Solution

The fourth proportional to 606,713.61, 837,263.78 and 334,781.28 is: 461,997.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,713.61 : 837,263.78 = 334,781.28 : x
  2. Step 2: Convert to fraction form
    606,713.61/837,263.78 = 334,781.28/x
  3. Step 3: Cross multiply
    606,713.61x = 837,263.78 × 334,781.28
  4. Step 4: Simplify right side
    606,713.61x = 280,300,238,292.13
  5. Step 5: Solve for x
    x = 280,300,238,292.13/606,713.61
  6. Step 6: Final answer
    x = 461,997.61

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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.