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Finding the Fourth Proportional to 569,791.03, 854,306.90 and 313,744.21

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Solution

The fourth proportional to 569,791.03, 854,306.90 and 313,744.21 is: 470,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,791.03 : 854,306.90 = 313,744.21 : x
  2. Step 2: Convert to fraction form
    569,791.03/854,306.90 = 313,744.21/x
  3. Step 3: Cross multiply
    569,791.03x = 854,306.90 × 313,744.21
  4. Step 4: Simplify right side
    569,791.03x = 268,033,843,312.84
  5. Step 5: Solve for x
    x = 268,033,843,312.84/569,791.03
  6. Step 6: Final answer
    x = 470,407.27

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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.