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Finding the Fourth Proportional to 567.27, 783.18 and 436.59

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Solution

The fourth proportional to 567.27, 783.18 and 436.59 is: 602.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.27 : 783.18 = 436.59 : x
  2. Step 2: Convert to fraction form
    567.27/783.18 = 436.59/x
  3. Step 3: Cross multiply
    567.27x = 783.18 × 436.59
  4. Step 4: Simplify right side
    567.27x = 341,928.56
  5. Step 5: Solve for x
    x = 341,928.56/567.27
  6. Step 6: Final answer
    x = 602.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.