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Finding the Fourth Proportional to 1,707.44, 2,560.86 and 537.32

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Solution

The fourth proportional to 1,707.44, 2,560.86 and 537.32 is: 805.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.44 : 2,560.86 = 537.32 : x
  2. Step 2: Convert to fraction form
    1,707.44/2,560.86 = 537.32/x
  3. Step 3: Cross multiply
    1,707.44x = 2,560.86 × 537.32
  4. Step 4: Simplify right side
    1,707.44x = 1,376,001.30
  5. Step 5: Solve for x
    x = 1,376,001.30/1,707.44
  6. Step 6: Final answer
    x = 805.89

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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.