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Finding the Fourth Proportional to 536,805.20, 803,134.20 and 350,181.20

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Solution

The fourth proportional to 536,805.20, 803,134.20 and 350,181.20 is: 523,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,805.20 : 803,134.20 = 350,181.20 : x
  2. Step 2: Convert to fraction form
    536,805.20/803,134.20 = 350,181.20/x
  3. Step 3: Cross multiply
    536,805.20x = 803,134.20 × 350,181.20
  4. Step 4: Simplify right side
    536,805.20x = 281,242,497,917.04
  5. Step 5: Solve for x
    x = 281,242,497,917.04/536,805.20
  6. Step 6: Final answer
    x = 523,919.10

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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.