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Finding the Fourth Proportional to 417,556.53, 626,256.09 and 118,034.73

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Solution

The fourth proportional to 417,556.53, 626,256.09 and 118,034.73 is: 177,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,556.53 : 626,256.09 = 118,034.73 : x
  2. Step 2: Convert to fraction form
    417,556.53/626,256.09 = 118,034.73/x
  3. Step 3: Cross multiply
    417,556.53x = 626,256.09 × 118,034.73
  4. Step 4: Simplify right side
    417,556.53x = 73,919,968,494.01
  5. Step 5: Solve for x
    x = 73,919,968,494.01/417,556.53
  6. Step 6: Final answer
    x = 177,029.85

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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.