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Finding the Fourth Proportional to 270,026.20, 372,191.70 and 191,470.60

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Solution

The fourth proportional to 270,026.20, 372,191.70 and 191,470.60 is: 263,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,026.20 : 372,191.70 = 191,470.60 : x
  2. Step 2: Convert to fraction form
    270,026.20/372,191.70 = 191,470.60/x
  3. Step 3: Cross multiply
    270,026.20x = 372,191.70 × 191,470.60
  4. Step 4: Simplify right side
    270,026.20x = 71,263,768,114.02
  5. Step 5: Solve for x
    x = 71,263,768,114.02/270,026.20
  6. Step 6: Final answer
    x = 263,914.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.