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Finding the Fourth Proportional to 293,911.76, 405,689.88 and 173,043.44

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Solution

The fourth proportional to 293,911.76, 405,689.88 and 173,043.44 is: 238,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,911.76 : 405,689.88 = 173,043.44 : x
  2. Step 2: Convert to fraction form
    293,911.76/405,689.88 = 173,043.44/x
  3. Step 3: Cross multiply
    293,911.76x = 405,689.88 × 173,043.44
  4. Step 4: Simplify right side
    293,911.76x = 70,201,972,408.39
  5. Step 5: Solve for x
    x = 70,201,972,408.39/293,911.76
  6. Step 6: Final answer
    x = 238,853.91

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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.