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Finding the Fourth Proportional to 446,766.60, 670,268.70 and 193,938.60

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Solution

The fourth proportional to 446,766.60, 670,268.70 and 193,938.60 is: 290,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,766.60 : 670,268.70 = 193,938.60 : x
  2. Step 2: Convert to fraction form
    446,766.60/670,268.70 = 193,938.60/x
  3. Step 3: Cross multiply
    446,766.60x = 670,268.70 × 193,938.60
  4. Step 4: Simplify right side
    446,766.60x = 129,990,973,301.82
  5. Step 5: Solve for x
    x = 129,990,973,301.82/446,766.60
  6. Step 6: Final answer
    x = 290,959.47

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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.