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Finding the Fourth Proportional to 273,214.40, 409,821.60 and 183,984.80

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Solution

The fourth proportional to 273,214.40, 409,821.60 and 183,984.80 is: 275,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,214.40 : 409,821.60 = 183,984.80 : x
  2. Step 2: Convert to fraction form
    273,214.40/409,821.60 = 183,984.80/x
  3. Step 3: Cross multiply
    273,214.40x = 409,821.60 × 183,984.80
  4. Step 4: Simplify right side
    273,214.40x = 75,400,945,111.68
  5. Step 5: Solve for x
    x = 75,400,945,111.68/273,214.40
  6. Step 6: Final answer
    x = 275,977.20

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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.