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Finding the Fourth Proportional to 373,622.90, 515,610.97 and 212,501.14

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Solution

The fourth proportional to 373,622.90, 515,610.97 and 212,501.14 is: 293,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,622.90 : 515,610.97 = 212,501.14 : x
  2. Step 2: Convert to fraction form
    373,622.90/515,610.97 = 212,501.14/x
  3. Step 3: Cross multiply
    373,622.90x = 515,610.97 × 212,501.14
  4. Step 4: Simplify right side
    373,622.90x = 109,567,917,101.23
  5. Step 5: Solve for x
    x = 109,567,917,101.23/373,622.90
  6. Step 6: Final answer
    x = 293,258.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.