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Finding the Fourth Proportional to 1,606.84, 2,411.22 and 923.32

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Solution

The fourth proportional to 1,606.84, 2,411.22 and 923.32 is: 1,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.84 : 2,411.22 = 923.32 : x
  2. Step 2: Convert to fraction form
    1,606.84/2,411.22 = 923.32/x
  3. Step 3: Cross multiply
    1,606.84x = 2,411.22 × 923.32
  4. Step 4: Simplify right side
    1,606.84x = 2,226,327.65
  5. Step 5: Solve for x
    x = 2,226,327.65/1,606.84
  6. Step 6: Final answer
    x = 1,385.53

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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.