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Finding the Fourth Proportional to 616,249.90, 925,066.05 and 367,072.30

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Solution

The fourth proportional to 616,249.90, 925,066.05 and 367,072.30 is: 551,020.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,249.90 : 925,066.05 = 367,072.30 : x
  2. Step 2: Convert to fraction form
    616,249.90/925,066.05 = 367,072.30/x
  3. Step 3: Cross multiply
    616,249.90x = 925,066.05 × 367,072.30
  4. Step 4: Simplify right side
    616,249.90x = 339,566,122,625.42
  5. Step 5: Solve for x
    x = 339,566,122,625.42/616,249.90
  6. Step 6: Final answer
    x = 551,020.17

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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.