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Finding the Fourth Proportional to 1,294,976.20, 1,941,881.10 and 584,638.60

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Solution

The fourth proportional to 1,294,976.20, 1,941,881.10 and 584,638.60 is: 876,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,976.20 : 1,941,881.10 = 584,638.60 : x
  2. Step 2: Convert to fraction form
    1,294,976.20/1,941,881.10 = 584,638.60/x
  3. Step 3: Cross multiply
    1,294,976.20x = 1,941,881.10 × 584,638.60
  4. Step 4: Simplify right side
    1,294,976.20x = 1,135,298,647,670.46
  5. Step 5: Solve for x
    x = 1,135,298,647,670.46/1,294,976.20
  6. Step 6: Final answer
    x = 876,694.60

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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.