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Finding the Fourth Proportional to 589,662.40, 884,493.60 and 168,980.80

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Solution

The fourth proportional to 589,662.40, 884,493.60 and 168,980.80 is: 253,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,662.40 : 884,493.60 = 168,980.80 : x
  2. Step 2: Convert to fraction form
    589,662.40/884,493.60 = 168,980.80/x
  3. Step 3: Cross multiply
    589,662.40x = 884,493.60 × 168,980.80
  4. Step 4: Simplify right side
    589,662.40x = 149,462,436,122.88
  5. Step 5: Solve for x
    x = 149,462,436,122.88/589,662.40
  6. Step 6: Final answer
    x = 253,471.20

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Similar ratio
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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.