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Finding the Fourth Proportional to 605,093.30, 906,257.55 and 356,261.30

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Solution

The fourth proportional to 605,093.30, 906,257.55 and 356,261.30 is: 533,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,093.30 : 906,257.55 = 356,261.30 : x
  2. Step 2: Convert to fraction form
    605,093.30/906,257.55 = 356,261.30/x
  3. Step 3: Cross multiply
    605,093.30x = 906,257.55 × 356,261.30
  4. Step 4: Simplify right side
    605,093.30x = 322,864,492,897.82
  5. Step 5: Solve for x
    x = 322,864,492,897.82/605,093.30
  6. Step 6: Final answer
    x = 533,578.03

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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.