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Finding the Fourth Proportional to 605,089.80, 906,252.30 and 356,257.80

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Solution

The fourth proportional to 605,089.80, 906,252.30 and 356,257.80 is: 533,572.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,089.80 : 906,252.30 = 356,257.80 : x
  2. Step 2: Convert to fraction form
    605,089.80/906,252.30 = 356,257.80/x
  3. Step 3: Cross multiply
    605,089.80x = 906,252.30 × 356,257.80
  4. Step 4: Simplify right side
    605,089.80x = 322,859,450,642.94
  5. Step 5: Solve for x
    x = 322,859,450,642.94/605,089.80
  6. Step 6: Final answer
    x = 533,572.79

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1.5x scale

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.