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Finding the Fourth Proportional to 270,679.23, 373,485.47 and 149,814.81

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Solution

The fourth proportional to 270,679.23, 373,485.47 and 149,814.81 is: 206,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,679.23 : 373,485.47 = 149,814.81 : x
  2. Step 2: Convert to fraction form
    270,679.23/373,485.47 = 149,814.81/x
  3. Step 3: Cross multiply
    270,679.23x = 373,485.47 × 149,814.81
  4. Step 4: Simplify right side
    270,679.23x = 55,953,653,976.74
  5. Step 5: Solve for x
    x = 55,953,653,976.74/270,679.23
  6. Step 6: Final answer
    x = 206,715.73

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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.