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Finding the Fourth Proportional to 299,847.96, 449,607.20 and 147,710.27

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Solution

The fourth proportional to 299,847.96, 449,607.20 and 147,710.27 is: 221,484.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,847.96 : 449,607.20 = 147,710.27 : x
  2. Step 2: Convert to fraction form
    299,847.96/449,607.20 = 147,710.27/x
  3. Step 3: Cross multiply
    299,847.96x = 449,607.20 × 147,710.27
  4. Step 4: Simplify right side
    299,847.96x = 66,411,602,029.96
  5. Step 5: Solve for x
    x = 66,411,602,029.96/299,847.96
  6. Step 6: Final answer
    x = 221,484.26

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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.