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Finding the Fourth Proportional to 601,669.56, 902,271.06 and 321,033.72

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Solution

The fourth proportional to 601,669.56, 902,271.06 and 321,033.72 is: 481,426.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,669.56 : 902,271.06 = 321,033.72 : x
  2. Step 2: Convert to fraction form
    601,669.56/902,271.06 = 321,033.72/x
  3. Step 3: Cross multiply
    601,669.56x = 902,271.06 × 321,033.72
  4. Step 4: Simplify right side
    601,669.56x = 289,659,434,840.14
  5. Step 5: Solve for x
    x = 289,659,434,840.14/601,669.56
  6. Step 6: Final answer
    x = 481,426.11

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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.