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Finding the Fourth Proportional to 589,600.80, 884,185.20 and 190,346.40

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Solution

The fourth proportional to 589,600.80, 884,185.20 and 190,346.40 is: 285,449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,600.80 : 884,185.20 = 190,346.40 : x
  2. Step 2: Convert to fraction form
    589,600.80/884,185.20 = 190,346.40/x
  3. Step 3: Cross multiply
    589,600.80x = 884,185.20 × 190,346.40
  4. Step 4: Simplify right side
    589,600.80x = 168,301,469,753.28
  5. Step 5: Solve for x
    x = 168,301,469,753.28/589,600.80
  6. Step 6: Final answer
    x = 285,449.87

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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.