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Finding the Fourth Proportional to 552,643.30, 828,964.95 and 197,635.78

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Solution

The fourth proportional to 552,643.30, 828,964.95 and 197,635.78 is: 296,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,643.30 : 828,964.95 = 197,635.78 : x
  2. Step 2: Convert to fraction form
    552,643.30/828,964.95 = 197,635.78/x
  3. Step 3: Cross multiply
    552,643.30x = 828,964.95 × 197,635.78
  4. Step 4: Simplify right side
    552,643.30x = 163,833,134,485.91
  5. Step 5: Solve for x
    x = 163,833,134,485.91/552,643.30
  6. Step 6: Final answer
    x = 296,453.67

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Similar ratio
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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.