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Finding the Fourth Proportional to 701,556.60, 968,158.32 and 395,647.56

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Solution

The fourth proportional to 701,556.60, 968,158.32 and 395,647.56 is: 545,999.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,556.60 : 968,158.32 = 395,647.56 : x
  2. Step 2: Convert to fraction form
    701,556.60/968,158.32 = 395,647.56/x
  3. Step 3: Cross multiply
    701,556.60x = 968,158.32 × 395,647.56
  4. Step 4: Simplify right side
    701,556.60x = 383,049,477,001.70
  5. Step 5: Solve for x
    x = 383,049,477,001.70/701,556.60
  6. Step 6: Final answer
    x = 545,999.39

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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.