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Finding the Fourth Proportional to 434,129.76, 599,093.82 and 252,871.20

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Solution

The fourth proportional to 434,129.76, 599,093.82 and 252,871.20 is: 348,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,129.76 : 599,093.82 = 252,871.20 : x
  2. Step 2: Convert to fraction form
    434,129.76/599,093.82 = 252,871.20/x
  3. Step 3: Cross multiply
    434,129.76x = 599,093.82 × 252,871.20
  4. Step 4: Simplify right side
    434,129.76x = 151,493,573,175.98
  5. Step 5: Solve for x
    x = 151,493,573,175.98/434,129.76
  6. Step 6: Final answer
    x = 348,959.20

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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.