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Finding the Fourth Proportional to 299,014.56, 448,532.43 and 74,376.14

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Solution

The fourth proportional to 299,014.56, 448,532.43 and 74,376.14 is: 111,566.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,014.56 : 448,532.43 = 74,376.14 : x
  2. Step 2: Convert to fraction form
    299,014.56/448,532.43 = 74,376.14/x
  3. Step 3: Cross multiply
    299,014.56x = 448,532.43 × 74,376.14
  4. Step 4: Simplify right side
    299,014.56x = 33,360,108,565.56
  5. Step 5: Solve for x
    x = 33,360,108,565.56/299,014.56
  6. Step 6: Final answer
    x = 111,566.84

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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.