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Finding the Fourth Proportional to 265,705, 366,654.54 and 149,435.88

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Solution

The fourth proportional to 265,705, 366,654.54 and 149,435.88 is: 206,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,705 : 366,654.54 = 149,435.88 : x
  2. Step 2: Convert to fraction form
    265,705/366,654.54 = 149,435.88/x
  3. Step 3: Cross multiply
    265,705x = 366,654.54 × 149,435.88
  4. Step 4: Simplify right side
    265,705x = 54,791,343,840.90
  5. Step 5: Solve for x
    x = 54,791,343,840.90/265,705
  6. Step 6: Final answer
    x = 206,211.19

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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.