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Finding the Fourth Proportional to 364,995.12, 548,464.68 and 196,644.72

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Solution

The fourth proportional to 364,995.12, 548,464.68 and 196,644.72 is: 295,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,995.12 : 548,464.68 = 196,644.72 : x
  2. Step 2: Convert to fraction form
    364,995.12/548,464.68 = 196,644.72/x
  3. Step 3: Cross multiply
    364,995.12x = 548,464.68 × 196,644.72
  4. Step 4: Simplify right side
    364,995.12x = 107,852,683,428.49
  5. Step 5: Solve for x
    x = 107,852,683,428.49/364,995.12
  6. Step 6: Final answer
    x = 295,490.75

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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.