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Finding the Fourth Proportional to 432,213.54, 595,900.22 and 354,402.51

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Solution

The fourth proportional to 432,213.54, 595,900.22 and 354,402.51 is: 488,620.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,213.54 : 595,900.22 = 354,402.51 : x
  2. Step 2: Convert to fraction form
    432,213.54/595,900.22 = 354,402.51/x
  3. Step 3: Cross multiply
    432,213.54x = 595,900.22 × 354,402.51
  4. Step 4: Simplify right side
    432,213.54x = 211,188,531,905.54
  5. Step 5: Solve for x
    x = 211,188,531,905.54/432,213.54
  6. Step 6: Final answer
    x = 488,620.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.