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Finding the Fourth Proportional to 603,265.10, 904,120.05 and 366,356.30

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Solution

The fourth proportional to 603,265.10, 904,120.05 and 366,356.30 is: 549,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,265.10 : 904,120.05 = 366,356.30 : x
  2. Step 2: Convert to fraction form
    603,265.10/904,120.05 = 366,356.30/x
  3. Step 3: Cross multiply
    603,265.10x = 904,120.05 × 366,356.30
  4. Step 4: Simplify right side
    603,265.10x = 331,230,076,273.82
  5. Step 5: Solve for x
    x = 331,230,076,273.82/603,265.10
  6. Step 6: Final answer
    x = 549,062.22

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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.