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Finding the Fourth Proportional to 341,314.20, 511,971.30 and 173,352.60

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Solution

The fourth proportional to 341,314.20, 511,971.30 and 173,352.60 is: 260,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,314.20 : 511,971.30 = 173,352.60 : x
  2. Step 2: Convert to fraction form
    341,314.20/511,971.30 = 173,352.60/x
  3. Step 3: Cross multiply
    341,314.20x = 511,971.30 × 173,352.60
  4. Step 4: Simplify right side
    341,314.20x = 88,751,555,980.38
  5. Step 5: Solve for x
    x = 88,751,555,980.38/341,314.20
  6. Step 6: Final answer
    x = 260,028.90

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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.