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Finding the Fourth Proportional to 567.52, 783.67 and 358.07

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Solution

The fourth proportional to 567.52, 783.67 and 358.07 is: 494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.52 : 783.67 = 358.07 : x
  2. Step 2: Convert to fraction form
    567.52/783.67 = 358.07/x
  3. Step 3: Cross multiply
    567.52x = 783.67 × 358.07
  4. Step 4: Simplify right side
    567.52x = 280,608.72
  5. Step 5: Solve for x
    x = 280,608.72/567.52
  6. Step 6: Final answer
    x = 494.45

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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.