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Finding the Fourth Proportional to 341,491.98, 511,807.26 and 173,054.70

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Solution

The fourth proportional to 341,491.98, 511,807.26 and 173,054.70 is: 259,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,491.98 : 511,807.26 = 173,054.70 : x
  2. Step 2: Convert to fraction form
    341,491.98/511,807.26 = 173,054.70/x
  3. Step 3: Cross multiply
    341,491.98x = 511,807.26 × 173,054.70
  4. Step 4: Simplify right side
    341,491.98x = 88,570,651,837.12
  5. Step 5: Solve for x
    x = 88,570,651,837.12/341,491.98
  6. Step 6: Final answer
    x = 259,363.78

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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.