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Finding the Fourth Proportional to 441,528.57, 662,391.47 and 161,045.82

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Solution

The fourth proportional to 441,528.57, 662,391.47 and 161,045.82 is: 241,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,528.57 : 662,391.47 = 161,045.82 : x
  2. Step 2: Convert to fraction form
    441,528.57/662,391.47 = 161,045.82/x
  3. Step 3: Cross multiply
    441,528.57x = 662,391.47 × 161,045.82
  4. Step 4: Simplify right side
    441,528.57x = 106,675,377,849.77
  5. Step 5: Solve for x
    x = 106,675,377,849.77/441,528.57
  6. Step 6: Final answer
    x = 241,604.70

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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.