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Finding the Fourth Proportional to 270,707.58, 406,199.70 and 180,811.56

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Solution

The fourth proportional to 270,707.58, 406,199.70 and 180,811.56 is: 271,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,707.58 : 406,199.70 = 180,811.56 : x
  2. Step 2: Convert to fraction form
    270,707.58/406,199.70 = 180,811.56/x
  3. Step 3: Cross multiply
    270,707.58x = 406,199.70 × 180,811.56
  4. Step 4: Simplify right side
    270,707.58x = 73,445,601,428.53
  5. Step 5: Solve for x
    x = 73,445,601,428.53/270,707.58
  6. Step 6: Final answer
    x = 271,309.73

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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.