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Finding the Fourth Proportional to 327,567.60, 491,610.60 and 127,983.60

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Solution

The fourth proportional to 327,567.60, 491,610.60 and 127,983.60 is: 192,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,567.60 : 491,610.60 = 127,983.60 : x
  2. Step 2: Convert to fraction form
    327,567.60/491,610.60 = 127,983.60/x
  3. Step 3: Cross multiply
    327,567.60x = 491,610.60 × 127,983.60
  4. Step 4: Simplify right side
    327,567.60x = 62,918,094,386.16
  5. Step 5: Solve for x
    x = 62,918,094,386.16/327,567.60
  6. Step 6: Final answer
    x = 192,076.67

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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.