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Finding the Fourth Proportional to 441,556.32, 661,812.96 and 188,762.88

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Solution

The fourth proportional to 441,556.32, 661,812.96 and 188,762.88 is: 282,921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,556.32 : 661,812.96 = 188,762.88 : x
  2. Step 2: Convert to fraction form
    441,556.32/661,812.96 = 188,762.88/x
  3. Step 3: Cross multiply
    441,556.32x = 661,812.96 × 188,762.88
  4. Step 4: Simplify right side
    441,556.32x = 124,925,720,350.93
  5. Step 5: Solve for x
    x = 124,925,720,350.93/441,556.32
  6. Step 6: Final answer
    x = 282,921.37

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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.