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Finding the Fourth Proportional to 1,703.54, 2,554.68 and 607.62

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Solution

The fourth proportional to 1,703.54, 2,554.68 and 607.62 is: 911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.54 : 2,554.68 = 607.62 : x
  2. Step 2: Convert to fraction form
    1,703.54/2,554.68 = 607.62/x
  3. Step 3: Cross multiply
    1,703.54x = 2,554.68 × 607.62
  4. Step 4: Simplify right side
    1,703.54x = 1,552,274.66
  5. Step 5: Solve for x
    x = 1,552,274.66/1,703.54
  6. Step 6: Final answer
    x = 911.21

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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.