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Finding the Fourth Proportional to 558,566.26, 770,798.74 and 316,843.64

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Solution

The fourth proportional to 558,566.26, 770,798.74 and 316,843.64 is: 437,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,566.26 : 770,798.74 = 316,843.64 : x
  2. Step 2: Convert to fraction form
    558,566.26/770,798.74 = 316,843.64/x
  3. Step 3: Cross multiply
    558,566.26x = 770,798.74 × 316,843.64
  4. Step 4: Simplify right side
    558,566.26x = 244,222,679,623.90
  5. Step 5: Solve for x
    x = 244,222,679,623.90/558,566.26
  6. Step 6: Final answer
    x = 437,231.35

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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.