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Finding the Fourth Proportional to 603,113.40, 904,342.05 and 248,163.30

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Solution

The fourth proportional to 603,113.40, 904,342.05 and 248,163.30 is: 372,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,113.40 : 904,342.05 = 248,163.30 : x
  2. Step 2: Convert to fraction form
    603,113.40/904,342.05 = 248,163.30/x
  3. Step 3: Cross multiply
    603,113.40x = 904,342.05 × 248,163.30
  4. Step 4: Simplify right side
    603,113.40x = 224,424,507,456.77
  5. Step 5: Solve for x
    x = 224,424,507,456.77/603,113.40
  6. Step 6: Final answer
    x = 372,109.97

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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.