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Finding the Fourth Proportional to 1,730.76, 2,596.68 and 576.54

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Solution

The fourth proportional to 1,730.76, 2,596.68 and 576.54 is: 864.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.76 : 2,596.68 = 576.54 : x
  2. Step 2: Convert to fraction form
    1,730.76/2,596.68 = 576.54/x
  3. Step 3: Cross multiply
    1,730.76x = 2,596.68 × 576.54
  4. Step 4: Simplify right side
    1,730.76x = 1,497,089.89
  5. Step 5: Solve for x
    x = 1,497,089.89/1,730.76
  6. Step 6: Final answer
    x = 864.99

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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.