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Finding the Fourth Proportional to 601,638.40, 902,700.60 and 264,743.20

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Solution

The fourth proportional to 601,638.40, 902,700.60 and 264,743.20 is: 397,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,638.40 : 902,700.60 = 264,743.20 : x
  2. Step 2: Convert to fraction form
    601,638.40/902,700.60 = 264,743.20/x
  3. Step 3: Cross multiply
    601,638.40x = 902,700.60 × 264,743.20
  4. Step 4: Simplify right side
    601,638.40x = 238,983,845,485.92
  5. Step 5: Solve for x
    x = 238,983,845,485.92/601,638.40
  6. Step 6: Final answer
    x = 397,221.73

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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.