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Finding the Fourth Proportional to 295,912.32, 443,856.88 and 163,056

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Solution

The fourth proportional to 295,912.32, 443,856.88 and 163,056 is: 244,577.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,912.32 : 443,856.88 = 163,056 : x
  2. Step 2: Convert to fraction form
    295,912.32/443,856.88 = 163,056/x
  3. Step 3: Cross multiply
    295,912.32x = 443,856.88 × 163,056
  4. Step 4: Simplify right side
    295,912.32x = 72,373,527,425.28
  5. Step 5: Solve for x
    x = 72,373,527,425.28/295,912.32
  6. Step 6: Final answer
    x = 244,577.61

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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.