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Finding the Fourth Proportional to 966,348.60, 1,449,522.90 and 860,060.40

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Solution

The fourth proportional to 966,348.60, 1,449,522.90 and 860,060.40 is: 1,290,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,348.60 : 1,449,522.90 = 860,060.40 : x
  2. Step 2: Convert to fraction form
    966,348.60/1,449,522.90 = 860,060.40/x
  3. Step 3: Cross multiply
    966,348.60x = 1,449,522.90 × 860,060.40
  4. Step 4: Simplify right side
    966,348.60x = 1,246,677,245,183.16
  5. Step 5: Solve for x
    x = 1,246,677,245,183.16/966,348.60
  6. Step 6: Final answer
    x = 1,290,090.60

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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.