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Finding the Fourth Proportional to 270,358.72, 373,089.76 and 149,504.32

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Solution

The fourth proportional to 270,358.72, 373,089.76 and 149,504.32 is: 206,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,358.72 : 373,089.76 = 149,504.32 : x
  2. Step 2: Convert to fraction form
    270,358.72/373,089.76 = 149,504.32/x
  3. Step 3: Cross multiply
    270,358.72x = 373,089.76 × 149,504.32
  4. Step 4: Simplify right side
    270,358.72x = 55,778,530,867.76
  5. Step 5: Solve for x
    x = 55,778,530,867.76/270,358.72
  6. Step 6: Final answer
    x = 206,313.05

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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.