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Finding the Fourth Proportional to 603,318.60, 904,200.30 and 366,409.80

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Solution

The fourth proportional to 603,318.60, 904,200.30 and 366,409.80 is: 549,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,318.60 : 904,200.30 = 366,409.80 : x
  2. Step 2: Convert to fraction form
    603,318.60/904,200.30 = 366,409.80/x
  3. Step 3: Cross multiply
    603,318.60x = 904,200.30 × 366,409.80
  4. Step 4: Simplify right side
    603,318.60x = 331,307,851,082.94
  5. Step 5: Solve for x
    x = 331,307,851,082.94/603,318.60
  6. Step 6: Final answer
    x = 549,142.44

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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.