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Finding the Fourth Proportional to 767.01, 1,058.52 and 452.46

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Solution

The fourth proportional to 767.01, 1,058.52 and 452.46 is: 624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    767.01 : 1,058.52 = 452.46 : x
  2. Step 2: Convert to fraction form
    767.01/1,058.52 = 452.46/x
  3. Step 3: Cross multiply
    767.01x = 1,058.52 × 452.46
  4. Step 4: Simplify right side
    767.01x = 478,938.95
  5. Step 5: Solve for x
    x = 478,938.95/767.01
  6. Step 6: Final answer
    x = 624.42

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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.