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Finding the Fourth Proportional to 604,932.80, 906,016.80 and 356,100.80

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Solution

The fourth proportional to 604,932.80, 906,016.80 and 356,100.80 is: 533,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,932.80 : 906,016.80 = 356,100.80 : x
  2. Step 2: Convert to fraction form
    604,932.80/906,016.80 = 356,100.80/x
  3. Step 3: Cross multiply
    604,932.80x = 906,016.80 × 356,100.80
  4. Step 4: Simplify right side
    604,932.80x = 322,633,307,293.44
  5. Step 5: Solve for x
    x = 322,633,307,293.44/604,932.80
  6. Step 6: Final answer
    x = 533,337.43

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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.