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Finding the Fourth Proportional to 589,618.70, 883,990.65 and 252,383.30

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Solution

The fourth proportional to 589,618.70, 883,990.65 and 252,383.30 is: 378,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,618.70 : 883,990.65 = 252,383.30 : x
  2. Step 2: Convert to fraction form
    589,618.70/883,990.65 = 252,383.30/x
  3. Step 3: Cross multiply
    589,618.70x = 883,990.65 × 252,383.30
  4. Step 4: Simplify right side
    589,618.70x = 223,104,477,416.15
  5. Step 5: Solve for x
    x = 223,104,477,416.15/589,618.70
  6. Step 6: Final answer
    x = 378,387.72

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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.