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Finding the Fourth Proportional to 294,086.44, 405,768.54 and 173,218.24

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Solution

The fourth proportional to 294,086.44, 405,768.54 and 173,218.24 is: 238,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,086.44 : 405,768.54 = 173,218.24 : x
  2. Step 2: Convert to fraction form
    294,086.44/405,768.54 = 173,218.24/x
  3. Step 3: Cross multiply
    294,086.44x = 405,768.54 × 173,218.24
  4. Step 4: Simplify right side
    294,086.44x = 70,286,512,346.17
  5. Step 5: Solve for x
    x = 70,286,512,346.17/294,086.44
  6. Step 6: Final answer
    x = 238,999.50

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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.