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Finding the Fourth Proportional to 1,328,006, 1,992,026.28 and 441,542

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Solution

The fourth proportional to 1,328,006, 1,992,026.28 and 441,542 is: 662,318.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,006 : 1,992,026.28 = 441,542 : x
  2. Step 2: Convert to fraction form
    1,328,006/1,992,026.28 = 441,542/x
  3. Step 3: Cross multiply
    1,328,006x = 1,992,026.28 × 441,542
  4. Step 4: Simplify right side
    1,328,006x = 879,563,267,723.76
  5. Step 5: Solve for x
    x = 879,563,267,723.76/1,328,006
  6. Step 6: Final answer
    x = 662,318.75

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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.