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Finding the Fourth Proportional to 605,104.80, 906,274.80 and 356,272.80

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Solution

The fourth proportional to 605,104.80, 906,274.80 and 356,272.80 is: 533,595.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,104.80 : 906,274.80 = 356,272.80 : x
  2. Step 2: Convert to fraction form
    605,104.80/906,274.80 = 356,272.80/x
  3. Step 3: Cross multiply
    605,104.80x = 906,274.80 × 356,272.80
  4. Step 4: Simplify right side
    605,104.80x = 322,881,060,565.44
  5. Step 5: Solve for x
    x = 322,881,060,565.44/605,104.80
  6. Step 6: Final answer
    x = 533,595.27

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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.