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Finding the Fourth Proportional to 1,050.73, 1,576.12 and 502.97

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Solution

The fourth proportional to 1,050.73, 1,576.12 and 502.97 is: 754.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.73 : 1,576.12 = 502.97 : x
  2. Step 2: Convert to fraction form
    1,050.73/1,576.12 = 502.97/x
  3. Step 3: Cross multiply
    1,050.73x = 1,576.12 × 502.97
  4. Step 4: Simplify right side
    1,050.73x = 792,741.08
  5. Step 5: Solve for x
    x = 792,741.08/1,050.73
  6. Step 6: Final answer
    x = 754.47

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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.