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Finding the Fourth Proportional to 1,576.92, 2,364.69 and 536.70

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Solution

The fourth proportional to 1,576.92, 2,364.69 and 536.70 is: 804.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.92 : 2,364.69 = 536.70 : x
  2. Step 2: Convert to fraction form
    1,576.92/2,364.69 = 536.70/x
  3. Step 3: Cross multiply
    1,576.92x = 2,364.69 × 536.70
  4. Step 4: Simplify right side
    1,576.92x = 1,269,129.12
  5. Step 5: Solve for x
    x = 1,269,129.12/1,576.92
  6. Step 6: Final answer
    x = 804.82

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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.