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Finding the Fourth Proportional to 416,556.70, 624,859.42 and 117,060.64

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Solution

The fourth proportional to 416,556.70, 624,859.42 and 117,060.64 is: 175,597.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,556.70 : 624,859.42 = 117,060.64 : x
  2. Step 2: Convert to fraction form
    416,556.70/624,859.42 = 117,060.64/x
  3. Step 3: Cross multiply
    416,556.70x = 624,859.42 × 117,060.64
  4. Step 4: Simplify right side
    416,556.70x = 73,146,443,615.23
  5. Step 5: Solve for x
    x = 73,146,443,615.23/416,556.70
  6. Step 6: Final answer
    x = 175,597.81

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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.