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Finding the Fourth Proportional to 382,995.64, 574,197.44 and 193,358.39

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Solution

The fourth proportional to 382,995.64, 574,197.44 and 193,358.39 is: 289,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,995.64 : 574,197.44 = 193,358.39 : x
  2. Step 2: Convert to fraction form
    382,995.64/574,197.44 = 193,358.39/x
  3. Step 3: Cross multiply
    382,995.64x = 574,197.44 × 193,358.39
  4. Step 4: Simplify right side
    382,995.64x = 111,025,889,427.84
  5. Step 5: Solve for x
    x = 111,025,889,427.84/382,995.64
  6. Step 6: Final answer
    x = 289,888.13

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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.