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Finding the Fourth Proportional to 843,791.42, 1,266,561.93 and 565,255.10

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Solution

The fourth proportional to 843,791.42, 1,266,561.93 and 565,255.10 is: 848,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,791.42 : 1,266,561.93 = 565,255.10 : x
  2. Step 2: Convert to fraction form
    843,791.42/1,266,561.93 = 565,255.10/x
  3. Step 3: Cross multiply
    843,791.42x = 1,266,561.93 × 565,255.10
  4. Step 4: Simplify right side
    843,791.42x = 715,930,590,398.34
  5. Step 5: Solve for x
    x = 715,930,590,398.34/843,791.42
  6. Step 6: Final answer
    x = 848,468.68

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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.