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Finding the Fourth Proportional to 554,874.56, 765,522.04 and 364,147.12

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Solution

The fourth proportional to 554,874.56, 765,522.04 and 364,147.12 is: 502,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,874.56 : 765,522.04 = 364,147.12 : x
  2. Step 2: Convert to fraction form
    554,874.56/765,522.04 = 364,147.12/x
  3. Step 3: Cross multiply
    554,874.56x = 765,522.04 × 364,147.12
  4. Step 4: Simplify right side
    554,874.56x = 278,762,646,162.53
  5. Step 5: Solve for x
    x = 278,762,646,162.53/554,874.56
  6. Step 6: Final answer
    x = 502,388.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.