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Finding the Fourth Proportional to 551,987.60, 827,592.60 and 252,611.60

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Solution

The fourth proportional to 551,987.60, 827,592.60 and 252,611.60 is: 378,739.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,987.60 : 827,592.60 = 252,611.60 : x
  2. Step 2: Convert to fraction form
    551,987.60/827,592.60 = 252,611.60/x
  3. Step 3: Cross multiply
    551,987.60x = 827,592.60 × 252,611.60
  4. Step 4: Simplify right side
    551,987.60x = 209,059,490,834.16
  5. Step 5: Solve for x
    x = 209,059,490,834.16/551,987.60
  6. Step 6: Final answer
    x = 378,739.47

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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.