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Finding the Fourth Proportional to 325,042.56, 448,654.08 and 189,108.48

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Solution

The fourth proportional to 325,042.56, 448,654.08 and 189,108.48 is: 261,025.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,042.56 : 448,654.08 = 189,108.48 : x
  2. Step 2: Convert to fraction form
    325,042.56/448,654.08 = 189,108.48/x
  3. Step 3: Cross multiply
    325,042.56x = 448,654.08 × 189,108.48
  4. Step 4: Simplify right side
    325,042.56x = 84,844,291,114.60
  5. Step 5: Solve for x
    x = 84,844,291,114.60/325,042.56
  6. Step 6: Final answer
    x = 261,025.18

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1.5x scale

Why These Related Problems?

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