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Finding the Fourth Proportional to 632,195.80, 946,911.30 and 490,845.40

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Solution

The fourth proportional to 632,195.80, 946,911.30 and 490,845.40 is: 735,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,195.80 : 946,911.30 = 490,845.40 : x
  2. Step 2: Convert to fraction form
    632,195.80/946,911.30 = 490,845.40/x
  3. Step 3: Cross multiply
    632,195.80x = 946,911.30 × 490,845.40
  4. Step 4: Simplify right side
    632,195.80x = 464,787,055,813.02
  5. Step 5: Solve for x
    x = 464,787,055,813.02/632,195.80
  6. Step 6: Final answer
    x = 735,194.79

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1.5x scale

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.