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Finding the Fourth Proportional to 551,426.96, 827,144.80 and 301,972.88

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Solution

The fourth proportional to 551,426.96, 827,144.80 and 301,972.88 is: 452,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,426.96 : 827,144.80 = 301,972.88 : x
  2. Step 2: Convert to fraction form
    551,426.96/827,144.80 = 301,972.88/x
  3. Step 3: Cross multiply
    551,426.96x = 827,144.80 × 301,972.88
  4. Step 4: Simplify right side
    551,426.96x = 249,775,297,433.02
  5. Step 5: Solve for x
    x = 249,775,297,433.02/551,426.96
  6. Step 6: Final answer
    x = 452,961.71

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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.