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Finding the Fourth Proportional to 558,479.65, 770,705.26 and 303,832.66

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Solution

The fourth proportional to 558,479.65, 770,705.26 and 303,832.66 is: 419,290.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,479.65 : 770,705.26 = 303,832.66 : x
  2. Step 2: Convert to fraction form
    558,479.65/770,705.26 = 303,832.66/x
  3. Step 3: Cross multiply
    558,479.65x = 770,705.26 × 303,832.66
  4. Step 4: Simplify right side
    558,479.65x = 234,165,425,368.27
  5. Step 5: Solve for x
    x = 234,165,425,368.27/558,479.65
  6. Step 6: Final answer
    x = 419,290.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.