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Finding the Fourth Proportional to 1,159,809, 1,737,937.56 and 485,522.88

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Solution

The fourth proportional to 1,159,809, 1,737,937.56 and 485,522.88 is: 727,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,809 : 1,737,937.56 = 485,522.88 : x
  2. Step 2: Convert to fraction form
    1,159,809/1,737,937.56 = 485,522.88/x
  3. Step 3: Cross multiply
    1,159,809x = 1,737,937.56 × 485,522.88
  4. Step 4: Simplify right side
    1,159,809x = 843,808,449,391.37
  5. Step 5: Solve for x
    x = 843,808,449,391.37/1,159,809
  6. Step 6: Final answer
    x = 727,540.87

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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.