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Finding the Fourth Proportional to 357,312.02, 536,190.24 and 222,640.48

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Solution

The fourth proportional to 357,312.02, 536,190.24 and 222,640.48 is: 334,099.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,312.02 : 536,190.24 = 222,640.48 : x
  2. Step 2: Convert to fraction form
    357,312.02/536,190.24 = 222,640.48/x
  3. Step 3: Cross multiply
    357,312.02x = 536,190.24 × 222,640.48
  4. Step 4: Simplify right side
    357,312.02x = 119,377,649,723.96
  5. Step 5: Solve for x
    x = 119,377,649,723.96/357,312.02
  6. Step 6: Final answer
    x = 334,099.17

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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.