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Finding the Fourth Proportional to 604,733.44, 906,789.12 and 272,128

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Solution

The fourth proportional to 604,733.44, 906,789.12 and 272,128 is: 408,052.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,733.44 : 906,789.12 = 272,128 : x
  2. Step 2: Convert to fraction form
    604,733.44/906,789.12 = 272,128/x
  3. Step 3: Cross multiply
    604,733.44x = 906,789.12 × 272,128
  4. Step 4: Simplify right side
    604,733.44x = 246,762,709,647.36
  5. Step 5: Solve for x
    x = 246,762,709,647.36/604,733.44
  6. Step 6: Final answer
    x = 408,052.03

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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.