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Finding the Fourth Proportional to 1,051.86, 1,576.43 and 467.03

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Solution

The fourth proportional to 1,051.86, 1,576.43 and 467.03 is: 699.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.86 : 1,576.43 = 467.03 : x
  2. Step 2: Convert to fraction form
    1,051.86/1,576.43 = 467.03/x
  3. Step 3: Cross multiply
    1,051.86x = 1,576.43 × 467.03
  4. Step 4: Simplify right side
    1,051.86x = 736,243.46
  5. Step 5: Solve for x
    x = 736,243.46/1,051.86
  6. Step 6: Final answer
    x = 699.94

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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.