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Finding the Fourth Proportional to 533,571.78, 800,359.02 and 218,028.63

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Solution

The fourth proportional to 533,571.78, 800,359.02 and 218,028.63 is: 327,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,571.78 : 800,359.02 = 218,028.63 : x
  2. Step 2: Convert to fraction form
    533,571.78/800,359.02 = 218,028.63/x
  3. Step 3: Cross multiply
    533,571.78x = 800,359.02 × 218,028.63
  4. Step 4: Simplify right side
    533,571.78x = 174,501,180,638.74
  5. Step 5: Solve for x
    x = 174,501,180,638.74/533,571.78
  6. Step 6: Final answer
    x = 327,043.50

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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.