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Finding the Fourth Proportional to 603,612.45, 904,842.68 and 224,431.65

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Solution

The fourth proportional to 603,612.45, 904,842.68 and 224,431.65 is: 336,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,612.45 : 904,842.68 = 224,431.65 : x
  2. Step 2: Convert to fraction form
    603,612.45/904,842.68 = 224,431.65/x
  3. Step 3: Cross multiply
    603,612.45x = 904,842.68 × 224,431.65
  4. Step 4: Simplify right side
    603,612.45x = 203,075,334,540.66
  5. Step 5: Solve for x
    x = 203,075,334,540.66/603,612.45
  6. Step 6: Final answer
    x = 336,433.31

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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.