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Finding the Fourth Proportional to 985,290.48, 1,474,245 and 701,636.40

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Solution

The fourth proportional to 985,290.48, 1,474,245 and 701,636.40 is: 1,049,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,290.48 : 1,474,245 = 701,636.40 : x
  2. Step 2: Convert to fraction form
    985,290.48/1,474,245 = 701,636.40/x
  3. Step 3: Cross multiply
    985,290.48x = 1,474,245 × 701,636.40
  4. Step 4: Simplify right side
    985,290.48x = 1,034,383,954,518
  5. Step 5: Solve for x
    x = 1,034,383,954,518/985,290.48
  6. Step 6: Final answer
    x = 1,049,826.40

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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.