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Finding the Fourth Proportional to 1,036.34, 1,554.54 and 450.94

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Solution

The fourth proportional to 1,036.34, 1,554.54 and 450.94 is: 676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.34 : 1,554.54 = 450.94 : x
  2. Step 2: Convert to fraction form
    1,036.34/1,554.54 = 450.94/x
  3. Step 3: Cross multiply
    1,036.34x = 1,554.54 × 450.94
  4. Step 4: Simplify right side
    1,036.34x = 701,008.51
  5. Step 5: Solve for x
    x = 701,008.51/1,036.34
  6. Step 6: Final answer
    x = 676.42

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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.