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Finding the Fourth Proportional to 432,207.54, 595,891.94 and 354,396.51

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Solution

The fourth proportional to 432,207.54, 595,891.94 and 354,396.51 is: 488,612.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,207.54 : 595,891.94 = 354,396.51 : x
  2. Step 2: Convert to fraction form
    432,207.54/595,891.94 = 354,396.51/x
  3. Step 3: Cross multiply
    432,207.54x = 595,891.94 × 354,396.51
  4. Step 4: Simplify right side
    432,207.54x = 211,182,022,101.15
  5. Step 5: Solve for x
    x = 211,182,022,101.15/432,207.54
  6. Step 6: Final answer
    x = 488,612.54

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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.