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Finding the Fourth Proportional to 558,566.35, 770,798.87 and 316,843.74

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Solution

The fourth proportional to 558,566.35, 770,798.87 and 316,843.74 is: 437,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,566.35 : 770,798.87 = 316,843.74 : x
  2. Step 2: Convert to fraction form
    558,566.35/770,798.87 = 316,843.74/x
  3. Step 3: Cross multiply
    558,566.35x = 770,798.87 × 316,843.74
  4. Step 4: Simplify right side
    558,566.35x = 244,222,794,194.65
  5. Step 5: Solve for x
    x = 244,222,794,194.65/558,566.35
  6. Step 6: Final answer
    x = 437,231.48

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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.