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Finding the Fourth Proportional to 567.72, 783.53 and 410.87

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Solution

The fourth proportional to 567.72, 783.53 and 410.87 is: 567.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.72 : 783.53 = 410.87 : x
  2. Step 2: Convert to fraction form
    567.72/783.53 = 410.87/x
  3. Step 3: Cross multiply
    567.72x = 783.53 × 410.87
  4. Step 4: Simplify right side
    567.72x = 321,928.97
  5. Step 5: Solve for x
    x = 321,928.97/567.72
  6. Step 6: Final answer
    x = 567.06

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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.