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Finding the Fourth Proportional to 902,502.80, 1,353,754.20 and 804,525.20

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Solution

The fourth proportional to 902,502.80, 1,353,754.20 and 804,525.20 is: 1,206,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,502.80 : 1,353,754.20 = 804,525.20 : x
  2. Step 2: Convert to fraction form
    902,502.80/1,353,754.20 = 804,525.20/x
  3. Step 3: Cross multiply
    902,502.80x = 1,353,754.20 × 804,525.20
  4. Step 4: Simplify right side
    902,502.80x = 1,089,129,368,505.84
  5. Step 5: Solve for x
    x = 1,089,129,368,505.84/902,502.80
  6. Step 6: Final answer
    x = 1,206,787.80

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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.