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Finding the Fourth Proportional to 219,994.40, 329,408.40 and 173,338.40

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Solution

The fourth proportional to 219,994.40, 329,408.40 and 173,338.40 is: 259,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,994.40 : 329,408.40 = 173,338.40 : x
  2. Step 2: Convert to fraction form
    219,994.40/329,408.40 = 173,338.40/x
  3. Step 3: Cross multiply
    219,994.40x = 329,408.40 × 173,338.40
  4. Step 4: Simplify right side
    219,994.40x = 57,099,125,002.56
  5. Step 5: Solve for x
    x = 57,099,125,002.56/219,994.40
  6. Step 6: Final answer
    x = 259,548.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.