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Finding the Fourth Proportional to 327,782.36, 452,339.53 and 191,842.20

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Solution

The fourth proportional to 327,782.36, 452,339.53 and 191,842.20 is: 264,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,782.36 : 452,339.53 = 191,842.20 : x
  2. Step 2: Convert to fraction form
    327,782.36/452,339.53 = 191,842.20/x
  3. Step 3: Cross multiply
    327,782.36x = 452,339.53 × 191,842.20
  4. Step 4: Simplify right side
    327,782.36x = 86,777,810,102.56
  5. Step 5: Solve for x
    x = 86,777,810,102.56/327,782.36
  6. Step 6: Final answer
    x = 264,742.16

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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.