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Finding the Fourth Proportional to 443,897.34, 666,343.56 and 177,843.32

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Solution

The fourth proportional to 443,897.34, 666,343.56 and 177,843.32 is: 266,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,897.34 : 666,343.56 = 177,843.32 : x
  2. Step 2: Convert to fraction form
    443,897.34/666,343.56 = 177,843.32/x
  3. Step 3: Cross multiply
    443,897.34x = 666,343.56 × 177,843.32
  4. Step 4: Simplify right side
    443,897.34x = 118,504,747,639.30
  5. Step 5: Solve for x
    x = 118,504,747,639.30/443,897.34
  6. Step 6: Final answer
    x = 266,964.31

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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.