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Finding the Fourth Proportional to 429,891.98, 593,203.70 and 248,576.45

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Solution

The fourth proportional to 429,891.98, 593,203.70 and 248,576.45 is: 343,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,891.98 : 593,203.70 = 248,576.45 : x
  2. Step 2: Convert to fraction form
    429,891.98/593,203.70 = 248,576.45/x
  3. Step 3: Cross multiply
    429,891.98x = 593,203.70 × 248,576.45
  4. Step 4: Simplify right side
    429,891.98x = 147,456,467,528.29
  5. Step 5: Solve for x
    x = 147,456,467,528.29/429,891.98
  6. Step 6: Final answer
    x = 343,008.19

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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.