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Finding the Fourth Proportional to 1,036.63, 1,554.94 and 352.63

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Solution

The fourth proportional to 1,036.63, 1,554.94 and 352.63 is: 528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.63 : 1,554.94 = 352.63 : x
  2. Step 2: Convert to fraction form
    1,036.63/1,554.94 = 352.63/x
  3. Step 3: Cross multiply
    1,036.63x = 1,554.94 × 352.63
  4. Step 4: Simplify right side
    1,036.63x = 548,309.84
  5. Step 5: Solve for x
    x = 548,309.84/1,036.63
  6. Step 6: Final answer
    x = 528.94

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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.