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Finding the Fourth Proportional to 603,299.60, 904,171.80 and 366,390.80

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Solution

The fourth proportional to 603,299.60, 904,171.80 and 366,390.80 is: 549,113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,299.60 : 904,171.80 = 366,390.80 : x
  2. Step 2: Convert to fraction form
    603,299.60/904,171.80 = 366,390.80/x
  3. Step 3: Cross multiply
    603,299.60x = 904,171.80 × 366,390.80
  4. Step 4: Simplify right side
    603,299.60x = 331,280,229,139.44
  5. Step 5: Solve for x
    x = 331,280,229,139.44/603,299.60
  6. Step 6: Final answer
    x = 549,113.95

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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.