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Finding the Fourth Proportional to 273,817.20, 410,284.20 and 155,135.60

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Solution

The fourth proportional to 273,817.20, 410,284.20 and 155,135.60 is: 232,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,817.20 : 410,284.20 = 155,135.60 : x
  2. Step 2: Convert to fraction form
    273,817.20/410,284.20 = 155,135.60/x
  3. Step 3: Cross multiply
    273,817.20x = 410,284.20 × 155,135.60
  4. Step 4: Simplify right side
    273,817.20x = 63,649,685,537.52
  5. Step 5: Solve for x
    x = 63,649,685,537.52/273,817.20
  6. Step 6: Final answer
    x = 232,453.20

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1.5x scale

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.