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Finding the Fourth Proportional to 323,091.84, 445,870.98 and 177,914.64

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Solution

The fourth proportional to 323,091.84, 445,870.98 and 177,914.64 is: 245,524.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,091.84 : 445,870.98 = 177,914.64 : x
  2. Step 2: Convert to fraction form
    323,091.84/445,870.98 = 177,914.64/x
  3. Step 3: Cross multiply
    323,091.84x = 445,870.98 × 177,914.64
  4. Step 4: Simplify right side
    323,091.84x = 79,326,974,893.15
  5. Step 5: Solve for x
    x = 79,326,974,893.15/323,091.84
  6. Step 6: Final answer
    x = 245,524.54

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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.