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Finding the Fourth Proportional to 327,237.60, 491,115.60 and 127,653.60

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Solution

The fourth proportional to 327,237.60, 491,115.60 and 127,653.60 is: 191,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,237.60 : 491,115.60 = 127,653.60 : x
  2. Step 2: Convert to fraction form
    327,237.60/491,115.60 = 127,653.60/x
  3. Step 3: Cross multiply
    327,237.60x = 491,115.60 × 127,653.60
  4. Step 4: Simplify right side
    327,237.60x = 62,692,674,356.16
  5. Step 5: Solve for x
    x = 62,692,674,356.16/327,237.60
  6. Step 6: Final answer
    x = 191,581.51

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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.