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Finding the Fourth Proportional to 327,492.90, 491,262.03 and 127,746.90

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Solution

The fourth proportional to 327,492.90, 491,262.03 and 127,746.90 is: 191,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,492.90 : 491,262.03 = 127,746.90 : x
  2. Step 2: Convert to fraction form
    327,492.90/491,262.03 = 127,746.90/x
  3. Step 3: Cross multiply
    327,492.90x = 491,262.03 × 127,746.90
  4. Step 4: Simplify right side
    327,492.90x = 62,757,201,420.21
  5. Step 5: Solve for x
    x = 62,757,201,420.21/327,492.90
  6. Step 6: Final answer
    x = 191,629.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.