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Finding the Fourth Proportional to 235,322.28, 324,747.25 and 127,892.32

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Solution

The fourth proportional to 235,322.28, 324,747.25 and 127,892.32 is: 176,492.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,322.28 : 324,747.25 = 127,892.32 : x
  2. Step 2: Convert to fraction form
    235,322.28/324,747.25 = 127,892.32/x
  3. Step 3: Cross multiply
    235,322.28x = 324,747.25 × 127,892.32
  4. Step 4: Simplify right side
    235,322.28x = 41,532,677,912.11
  5. Step 5: Solve for x
    x = 41,532,677,912.11/235,322.28
  6. Step 6: Final answer
    x = 176,492.76

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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.