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Finding the Fourth Proportional to 603,031.96, 904,137.54 and 203,483.80

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Solution

The fourth proportional to 603,031.96, 904,137.54 and 203,483.80 is: 305,087.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,031.96 : 904,137.54 = 203,483.80 : x
  2. Step 2: Convert to fraction form
    603,031.96/904,137.54 = 203,483.80/x
  3. Step 3: Cross multiply
    603,031.96x = 904,137.54 × 203,483.80
  4. Step 4: Simplify right side
    603,031.96x = 183,977,342,361.85
  5. Step 5: Solve for x
    x = 183,977,342,361.85/603,031.96
  6. Step 6: Final answer
    x = 305,087.22

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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.