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Finding the Fourth Proportional to 993,764.70, 1,487,694.60 and 993,764.70

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Solution

The fourth proportional to 993,764.70, 1,487,694.60 and 993,764.70 is: 1,487,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,764.70 : 1,487,694.60 = 993,764.70 : x
  2. Step 2: Convert to fraction form
    993,764.70/1,487,694.60 = 993,764.70/x
  3. Step 3: Cross multiply
    993,764.70x = 1,487,694.60 × 993,764.70
  4. Step 4: Simplify right side
    993,764.70x = 1,478,418,377,860.62
  5. Step 5: Solve for x
    x = 1,478,418,377,860.62/993,764.70
  6. Step 6: Final answer
    x = 1,487,694.60

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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.