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Finding the Fourth Proportional to 1,104.48, 1,657.02 and 488.32

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Solution

The fourth proportional to 1,104.48, 1,657.02 and 488.32 is: 732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.48 : 1,657.02 = 488.32 : x
  2. Step 2: Convert to fraction form
    1,104.48/1,657.02 = 488.32/x
  3. Step 3: Cross multiply
    1,104.48x = 1,657.02 × 488.32
  4. Step 4: Simplify right side
    1,104.48x = 809,156.01
  5. Step 5: Solve for x
    x = 809,156.01/1,104.48
  6. Step 6: Final answer
    x = 732.61

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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.