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Finding the Fourth Proportional to 1,045.72, 1,567.36 and 467.38

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Solution

The fourth proportional to 1,045.72, 1,567.36 and 467.38 is: 700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.72 : 1,567.36 = 467.38 : x
  2. Step 2: Convert to fraction form
    1,045.72/1,567.36 = 467.38/x
  3. Step 3: Cross multiply
    1,045.72x = 1,567.36 × 467.38
  4. Step 4: Simplify right side
    1,045.72x = 732,542.54
  5. Step 5: Solve for x
    x = 732,542.54/1,045.72
  6. Step 6: Final answer
    x = 700.52

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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.