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Finding the Fourth Proportional to 858,136.60, 1,199,816.60 and 858,136.60

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Solution

The fourth proportional to 858,136.60, 1,199,816.60 and 858,136.60 is: 1,199,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,136.60 : 1,199,816.60 = 858,136.60 : x
  2. Step 2: Convert to fraction form
    858,136.60/1,199,816.60 = 858,136.60/x
  3. Step 3: Cross multiply
    858,136.60x = 1,199,816.60 × 858,136.60
  4. Step 4: Simplify right side
    858,136.60x = 1,029,606,537,747.56
  5. Step 5: Solve for x
    x = 1,029,606,537,747.56/858,136.60
  6. Step 6: Final answer
    x = 1,199,816.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.