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Finding the Fourth Proportional to 608,937.80, 853,912.60 and 608,937.80

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Solution

The fourth proportional to 608,937.80, 853,912.60 and 608,937.80 is: 853,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,937.80 : 853,912.60 = 608,937.80 : x
  2. Step 2: Convert to fraction form
    608,937.80/853,912.60 = 608,937.80/x
  3. Step 3: Cross multiply
    608,937.80x = 853,912.60 × 608,937.80
  4. Step 4: Simplify right side
    608,937.80x = 519,979,660,036.28
  5. Step 5: Solve for x
    x = 519,979,660,036.28/608,937.80
  6. Step 6: Final answer
    x = 853,912.60

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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.