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Finding the Fourth Proportional to 493,683.72, 740,372.49 and 178,099.62

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Solution

The fourth proportional to 493,683.72, 740,372.49 and 178,099.62 is: 267,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,683.72 : 740,372.49 = 178,099.62 : x
  2. Step 2: Convert to fraction form
    493,683.72/740,372.49 = 178,099.62/x
  3. Step 3: Cross multiply
    493,683.72x = 740,372.49 × 178,099.62
  4. Step 4: Simplify right side
    493,683.72x = 131,860,059,127.45
  5. Step 5: Solve for x
    x = 131,860,059,127.45/493,683.72
  6. Step 6: Final answer
    x = 267,094.20

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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.