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Finding the Fourth Proportional to 273,865.40, 410,106.90 and 179,862.20

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Solution

The fourth proportional to 273,865.40, 410,106.90 and 179,862.20 is: 269,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,865.40 : 410,106.90 = 179,862.20 : x
  2. Step 2: Convert to fraction form
    273,865.40/410,106.90 = 179,862.20/x
  3. Step 3: Cross multiply
    273,865.40x = 410,106.90 × 179,862.20
  4. Step 4: Simplify right side
    273,865.40x = 73,762,729,269.18
  5. Step 5: Solve for x
    x = 73,762,729,269.18/273,865.40
  6. Step 6: Final answer
    x = 269,339.35

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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.