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Finding the Fourth Proportional to 294,004.39, 405,676.87 and 173,169.74

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Solution

The fourth proportional to 294,004.39, 405,676.87 and 173,169.74 is: 238,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,004.39 : 405,676.87 = 173,169.74 : x
  2. Step 2: Convert to fraction form
    294,004.39/405,676.87 = 173,169.74/x
  3. Step 3: Cross multiply
    294,004.39x = 405,676.87 × 173,169.74
  4. Step 4: Simplify right side
    294,004.39x = 70,250,956,804.85
  5. Step 5: Solve for x
    x = 70,250,956,804.85/294,004.39
  6. Step 6: Final answer
    x = 238,945.27

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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.