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Finding the Fourth Proportional to 852,611.60, 1,279,608.60 and 824,963.60

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Solution

The fourth proportional to 852,611.60, 1,279,608.60 and 824,963.60 is: 1,238,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,611.60 : 1,279,608.60 = 824,963.60 : x
  2. Step 2: Convert to fraction form
    852,611.60/1,279,608.60 = 824,963.60/x
  3. Step 3: Cross multiply
    852,611.60x = 1,279,608.60 × 824,963.60
  4. Step 4: Simplify right side
    852,611.60x = 1,055,630,517,246.96
  5. Step 5: Solve for x
    x = 1,055,630,517,246.96/852,611.60
  6. Step 6: Final answer
    x = 1,238,114.19

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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.