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Finding the Fourth Proportional to 567.61, 855.28 and 467.15

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Solution

The fourth proportional to 567.61, 855.28 and 467.15 is: 703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.61 : 855.28 = 467.15 : x
  2. Step 2: Convert to fraction form
    567.61/855.28 = 467.15/x
  3. Step 3: Cross multiply
    567.61x = 855.28 × 467.15
  4. Step 4: Simplify right side
    567.61x = 399,545.22
  5. Step 5: Solve for x
    x = 399,545.22/567.61
  6. Step 6: Final answer
    x = 703.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.