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Finding the Fourth Proportional to 567.40, 849.66 and 310.60

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Solution

The fourth proportional to 567.40, 849.66 and 310.60 is: 465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.40 : 849.66 = 310.60 : x
  2. Step 2: Convert to fraction form
    567.40/849.66 = 310.60/x
  3. Step 3: Cross multiply
    567.40x = 849.66 × 310.60
  4. Step 4: Simplify right side
    567.40x = 263,904.40
  5. Step 5: Solve for x
    x = 263,904.40/567.40
  6. Step 6: Final answer
    x = 465.11

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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.