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Finding the Fourth Proportional to 1,036.52, 1,554.35 and 516.32

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Solution

The fourth proportional to 1,036.52, 1,554.35 and 516.32 is: 774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.52 : 1,554.35 = 516.32 : x
  2. Step 2: Convert to fraction form
    1,036.52/1,554.35 = 516.32/x
  3. Step 3: Cross multiply
    1,036.52x = 1,554.35 × 516.32
  4. Step 4: Simplify right side
    1,036.52x = 802,541.99
  5. Step 5: Solve for x
    x = 802,541.99/1,036.52
  6. Step 6: Final answer
    x = 774.27

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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.