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Finding the Fourth Proportional to 869,496.73, 1,304,620.53 and 470,418.44

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Solution

The fourth proportional to 869,496.73, 1,304,620.53 and 470,418.44 is: 705,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,496.73 : 1,304,620.53 = 470,418.44 : x
  2. Step 2: Convert to fraction form
    869,496.73/1,304,620.53 = 470,418.44/x
  3. Step 3: Cross multiply
    869,496.73x = 1,304,620.53 × 470,418.44
  4. Step 4: Simplify right side
    869,496.73x = 613,717,546,227.40
  5. Step 5: Solve for x
    x = 613,717,546,227.40/869,496.73
  6. Step 6: Final answer
    x = 705,830.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.