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Finding the Fourth Proportional to 522,670.42, 783,817.39 and 181,021.33

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Solution

The fourth proportional to 522,670.42, 783,817.39 and 181,021.33 is: 271,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,670.42 : 783,817.39 = 181,021.33 : x
  2. Step 2: Convert to fraction form
    522,670.42/783,817.39 = 181,021.33/x
  3. Step 3: Cross multiply
    522,670.42x = 783,817.39 × 181,021.33
  4. Step 4: Simplify right side
    522,670.42x = 141,887,666,414.93
  5. Step 5: Solve for x
    x = 141,887,666,414.93/522,670.42
  6. Step 6: Final answer
    x = 271,466.80

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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.