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Finding the Fourth Proportional to 443,901.36, 666,019.71 and 266,532.06

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Solution

The fourth proportional to 443,901.36, 666,019.71 and 266,532.06 is: 399,898.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,901.36 : 666,019.71 = 266,532.06 : x
  2. Step 2: Convert to fraction form
    443,901.36/666,019.71 = 266,532.06/x
  3. Step 3: Cross multiply
    443,901.36x = 666,019.71 × 266,532.06
  4. Step 4: Simplify right side
    443,901.36x = 177,515,605,306.90
  5. Step 5: Solve for x
    x = 177,515,605,306.90/443,901.36
  6. Step 6: Final answer
    x = 399,898.76

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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.