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Finding the Fourth Proportional to 536,186.80, 804,571.80 and 220,675.60

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Solution

The fourth proportional to 536,186.80, 804,571.80 and 220,675.60 is: 331,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,186.80 : 804,571.80 = 220,675.60 : x
  2. Step 2: Convert to fraction form
    536,186.80/804,571.80 = 220,675.60/x
  3. Step 3: Cross multiply
    536,186.80x = 804,571.80 × 220,675.60
  4. Step 4: Simplify right side
    536,186.80x = 177,549,364,708.08
  5. Step 5: Solve for x
    x = 177,549,364,708.08/536,186.80
  6. Step 6: Final answer
    x = 331,133.41

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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.