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Finding the Fourth Proportional to 1,083, 1,623.69 and 466.32

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Solution

The fourth proportional to 1,083, 1,623.69 and 466.32 is: 699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083 : 1,623.69 = 466.32 : x
  2. Step 2: Convert to fraction form
    1,083/1,623.69 = 466.32/x
  3. Step 3: Cross multiply
    1,083x = 1,623.69 × 466.32
  4. Step 4: Simplify right side
    1,083x = 757,159.12
  5. Step 5: Solve for x
    x = 757,159.12/1,083
  6. Step 6: Final answer
    x = 699.13

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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.