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Finding the Fourth Proportional to 1,703.50, 2,554.56 and 533.11

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Solution

The fourth proportional to 1,703.50, 2,554.56 and 533.11 is: 799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.50 : 2,554.56 = 533.11 : x
  2. Step 2: Convert to fraction form
    1,703.50/2,554.56 = 533.11/x
  3. Step 3: Cross multiply
    1,703.50x = 2,554.56 × 533.11
  4. Step 4: Simplify right side
    1,703.50x = 1,361,861.48
  5. Step 5: Solve for x
    x = 1,361,861.48/1,703.50
  6. Step 6: Final answer
    x = 799.45

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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.