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Finding the Fourth Proportional to 1,703.58, 2,554.44 and 533.08

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Solution

The fourth proportional to 1,703.58, 2,554.44 and 533.08 is: 799.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.58 : 2,554.44 = 533.08 : x
  2. Step 2: Convert to fraction form
    1,703.58/2,554.44 = 533.08/x
  3. Step 3: Cross multiply
    1,703.58x = 2,554.44 × 533.08
  4. Step 4: Simplify right side
    1,703.58x = 1,361,708.10
  5. Step 5: Solve for x
    x = 1,361,708.10/1,703.58
  6. Step 6: Final answer
    x = 799.32

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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.