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Finding the Fourth Proportional to 567.03, 782.63 and 346.10

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Solution

The fourth proportional to 567.03, 782.63 and 346.10 is: 477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.03 : 782.63 = 346.10 : x
  2. Step 2: Convert to fraction form
    567.03/782.63 = 346.10/x
  3. Step 3: Cross multiply
    567.03x = 782.63 × 346.10
  4. Step 4: Simplify right side
    567.03x = 270,864.33
  5. Step 5: Solve for x
    x = 270,864.33/567.03
  6. Step 6: Final answer
    x = 477.69

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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.