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Finding the Fourth Proportional to 577,246.48, 796,635.50 and 322,618

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Solution

The fourth proportional to 577,246.48, 796,635.50 and 322,618 is: 445,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,246.48 : 796,635.50 = 322,618 : x
  2. Step 2: Convert to fraction form
    577,246.48/796,635.50 = 322,618/x
  3. Step 3: Cross multiply
    577,246.48x = 796,635.50 × 322,618
  4. Step 4: Simplify right side
    577,246.48x = 257,008,951,739
  5. Step 5: Solve for x
    x = 257,008,951,739/577,246.48
  6. Step 6: Final answer
    x = 445,232.60

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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.