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Finding the Fourth Proportional to 235,416.30, 324,880.90 and 127,993.56

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Solution

The fourth proportional to 235,416.30, 324,880.90 and 127,993.56 is: 176,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,416.30 : 324,880.90 = 127,993.56 : x
  2. Step 2: Convert to fraction form
    235,416.30/324,880.90 = 127,993.56/x
  3. Step 3: Cross multiply
    235,416.30x = 324,880.90 × 127,993.56
  4. Step 4: Simplify right side
    235,416.30x = 41,582,662,967.00
  5. Step 5: Solve for x
    x = 41,582,662,967.00/235,416.30
  6. Step 6: Final answer
    x = 176,634.60

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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.