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Finding the Fourth Proportional to 193,040.40, 289,560.60 and 193,040.40

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Solution

The fourth proportional to 193,040.40, 289,560.60 and 193,040.40 is: 289,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,040.40 : 289,560.60 = 193,040.40 : x
  2. Step 2: Convert to fraction form
    193,040.40/289,560.60 = 193,040.40/x
  3. Step 3: Cross multiply
    193,040.40x = 289,560.60 × 193,040.40
  4. Step 4: Simplify right side
    193,040.40x = 55,896,894,048.24
  5. Step 5: Solve for x
    x = 55,896,894,048.24/193,040.40
  6. Step 6: Final answer
    x = 289,560.60

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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.