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Finding the Fourth Proportional to 340,995.88, 511,493.73 and 116,356.29

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Solution

The fourth proportional to 340,995.88, 511,493.73 and 116,356.29 is: 174,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,995.88 : 511,493.73 = 116,356.29 : x
  2. Step 2: Convert to fraction form
    340,995.88/511,493.73 = 116,356.29/x
  3. Step 3: Cross multiply
    340,995.88x = 511,493.73 × 116,356.29
  4. Step 4: Simplify right side
    340,995.88x = 59,515,514,595.76
  5. Step 5: Solve for x
    x = 59,515,514,595.76/340,995.88
  6. Step 6: Final answer
    x = 174,534.41

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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.