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Finding the Fourth Proportional to 632,716.80, 947,692.80 and 491,366.40

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Solution

The fourth proportional to 632,716.80, 947,692.80 and 491,366.40 is: 735,976.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,716.80 : 947,692.80 = 491,366.40 : x
  2. Step 2: Convert to fraction form
    632,716.80/947,692.80 = 491,366.40/x
  3. Step 3: Cross multiply
    632,716.80x = 947,692.80 × 491,366.40
  4. Step 4: Simplify right side
    632,716.80x = 465,664,399,441.92
  5. Step 5: Solve for x
    x = 465,664,399,441.92/632,716.80
  6. Step 6: Final answer
    x = 735,976.03

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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.