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Finding the Fourth Proportional to 446,991.52, 670,485.54 and 180,748.84

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Solution

The fourth proportional to 446,991.52, 670,485.54 and 180,748.84 is: 271,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,991.52 : 670,485.54 = 180,748.84 : x
  2. Step 2: Convert to fraction form
    446,991.52/670,485.54 = 180,748.84/x
  3. Step 3: Cross multiply
    446,991.52x = 670,485.54 × 180,748.84
  4. Step 4: Simplify right side
    446,991.52x = 121,189,483,591.77
  5. Step 5: Solve for x
    x = 121,189,483,591.77/446,991.52
  6. Step 6: Final answer
    x = 271,122.56

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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.