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Finding the Fourth Proportional to 1,036.05, 1,554.57 and 488.26

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Solution

The fourth proportional to 1,036.05, 1,554.57 and 488.26 is: 732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.05 : 1,554.57 = 488.26 : x
  2. Step 2: Convert to fraction form
    1,036.05/1,554.57 = 488.26/x
  3. Step 3: Cross multiply
    1,036.05x = 1,554.57 × 488.26
  4. Step 4: Simplify right side
    1,036.05x = 759,034.35
  5. Step 5: Solve for x
    x = 759,034.35/1,036.05
  6. Step 6: Final answer
    x = 732.63

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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.