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Finding the Fourth Proportional to 416,406.12, 624,515.75 and 191,550.60

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Solution

The fourth proportional to 416,406.12, 624,515.75 and 191,550.60 is: 287,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,406.12 : 624,515.75 = 191,550.60 : x
  2. Step 2: Convert to fraction form
    416,406.12/624,515.75 = 191,550.60/x
  3. Step 3: Cross multiply
    416,406.12x = 624,515.75 × 191,550.60
  4. Step 4: Simplify right side
    416,406.12x = 119,626,365,664.20
  5. Step 5: Solve for x
    x = 119,626,365,664.20/416,406.12
  6. Step 6: Final answer
    x = 287,282.92

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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.