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Finding the Fourth Proportional to 443,100.57, 611,475.66 and 241,896.57

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Solution

The fourth proportional to 443,100.57, 611,475.66 and 241,896.57 is: 333,815.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,100.57 : 611,475.66 = 241,896.57 : x
  2. Step 2: Convert to fraction form
    443,100.57/611,475.66 = 241,896.57/x
  3. Step 3: Cross multiply
    443,100.57x = 611,475.66 × 241,896.57
  4. Step 4: Simplify right side
    443,100.57x = 147,913,863,406.57
  5. Step 5: Solve for x
    x = 147,913,863,406.57/443,100.57
  6. Step 6: Final answer
    x = 333,815.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.