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Finding the Fourth Proportional to 296,762.64, 445,164.40 and 119,269.84

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Solution

The fourth proportional to 296,762.64, 445,164.40 and 119,269.84 is: 178,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,762.64 : 445,164.40 = 119,269.84 : x
  2. Step 2: Convert to fraction form
    296,762.64/445,164.40 = 119,269.84/x
  3. Step 3: Cross multiply
    296,762.64x = 445,164.40 × 119,269.84
  4. Step 4: Simplify right side
    296,762.64x = 53,094,686,761.70
  5. Step 5: Solve for x
    x = 53,094,686,761.70/296,762.64
  6. Step 6: Final answer
    x = 178,912.97

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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.