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Finding the Fourth Proportional to 522,820.01, 784,295.69 and 167,738.69

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Solution

The fourth proportional to 522,820.01, 784,295.69 and 167,738.69 is: 251,629.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,820.01 : 784,295.69 = 167,738.69 : x
  2. Step 2: Convert to fraction form
    522,820.01/784,295.69 = 167,738.69/x
  3. Step 3: Cross multiply
    522,820.01x = 784,295.69 × 167,738.69
  4. Step 4: Simplify right side
    522,820.01x = 131,556,731,613.25
  5. Step 5: Solve for x
    x = 131,556,731,613.25/522,820.01
  6. Step 6: Final answer
    x = 251,629.11

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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.