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Finding the Fourth Proportional to 325,090.34, 448,714.84 and 189,150.54

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Solution

The fourth proportional to 325,090.34, 448,714.84 and 189,150.54 is: 261,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,090.34 : 448,714.84 = 189,150.54 : x
  2. Step 2: Convert to fraction form
    325,090.34/448,714.84 = 189,150.54/x
  3. Step 3: Cross multiply
    325,090.34x = 448,714.84 × 189,150.54
  4. Step 4: Simplify right side
    325,090.34x = 84,874,654,292.01
  5. Step 5: Solve for x
    x = 84,874,654,292.01/325,090.34
  6. Step 6: Final answer
    x = 261,080.21

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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.