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Finding the Fourth Proportional to 1,083.44, 1,624.62 and 352.93

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Solution

The fourth proportional to 1,083.44, 1,624.62 and 352.93 is: 529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.44 : 1,624.62 = 352.93 : x
  2. Step 2: Convert to fraction form
    1,083.44/1,624.62 = 352.93/x
  3. Step 3: Cross multiply
    1,083.44x = 1,624.62 × 352.93
  4. Step 4: Simplify right side
    1,083.44x = 573,369.01
  5. Step 5: Solve for x
    x = 573,369.01/1,083.44
  6. Step 6: Final answer
    x = 529.21

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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.