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Finding the Fourth Proportional to 451,383.04, 622,798.32 and 270,015.52

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Solution

The fourth proportional to 451,383.04, 622,798.32 and 270,015.52 is: 372,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,383.04 : 622,798.32 = 270,015.52 : x
  2. Step 2: Convert to fraction form
    451,383.04/622,798.32 = 270,015.52/x
  3. Step 3: Cross multiply
    451,383.04x = 622,798.32 × 270,015.52
  4. Step 4: Simplify right side
    451,383.04x = 168,165,212,229.93
  5. Step 5: Solve for x
    x = 168,165,212,229.93/451,383.04
  6. Step 6: Final answer
    x = 372,555.45

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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.