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Finding the Fourth Proportional to 558,565.89, 770,798.22 and 316,843.27

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Solution

The fourth proportional to 558,565.89, 770,798.22 and 316,843.27 is: 437,230.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,565.89 : 770,798.22 = 316,843.27 : x
  2. Step 2: Convert to fraction form
    558,565.89/770,798.22 = 316,843.27/x
  3. Step 3: Cross multiply
    558,565.89x = 770,798.22 × 316,843.27
  4. Step 4: Simplify right side
    558,565.89x = 244,222,226,607.98
  5. Step 5: Solve for x
    x = 244,222,226,607.98/558,565.89
  6. Step 6: Final answer
    x = 437,230.83

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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.