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Finding the Fourth Proportional to 479,696.82, 661,982.59 and 264,837.30

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Solution

The fourth proportional to 479,696.82, 661,982.59 and 264,837.30 is: 365,476.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,696.82 : 661,982.59 = 264,837.30 : x
  2. Step 2: Convert to fraction form
    479,696.82/661,982.59 = 264,837.30/x
  3. Step 3: Cross multiply
    479,696.82x = 661,982.59 × 264,837.30
  4. Step 4: Simplify right side
    479,696.82x = 175,317,681,782.61
  5. Step 5: Solve for x
    x = 175,317,681,782.61/479,696.82
  6. Step 6: Final answer
    x = 365,476.01

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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.