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Finding the Fourth Proportional to 941,930.60, 1,321,064.80 and 941,930.60

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Solution

The fourth proportional to 941,930.60, 1,321,064.80 and 941,930.60 is: 1,321,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,930.60 : 1,321,064.80 = 941,930.60 : x
  2. Step 2: Convert to fraction form
    941,930.60/1,321,064.80 = 941,930.60/x
  3. Step 3: Cross multiply
    941,930.60x = 1,321,064.80 × 941,930.60
  4. Step 4: Simplify right side
    941,930.60x = 1,244,351,359,702.88
  5. Step 5: Solve for x
    x = 1,244,351,359,702.88/941,930.60
  6. Step 6: Final answer
    x = 1,321,064.80

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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.