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Finding the Fourth Proportional to 296,660.70, 445,089.48 and 119,076.30

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Solution

The fourth proportional to 296,660.70, 445,089.48 and 119,076.30 is: 178,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,660.70 : 445,089.48 = 119,076.30 : x
  2. Step 2: Convert to fraction form
    296,660.70/445,089.48 = 119,076.30/x
  3. Step 3: Cross multiply
    296,660.70x = 445,089.48 × 119,076.30
  4. Step 4: Simplify right side
    296,660.70x = 52,999,608,447.32
  5. Step 5: Solve for x
    x = 52,999,608,447.32/296,660.70
  6. Step 6: Final answer
    x = 178,653.96

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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.