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Finding the Fourth Proportional to 531.54, 733.02 and 413.35

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Solution

The fourth proportional to 531.54, 733.02 and 413.35 is: 570.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.54 : 733.02 = 413.35 : x
  2. Step 2: Convert to fraction form
    531.54/733.02 = 413.35/x
  3. Step 3: Cross multiply
    531.54x = 733.02 × 413.35
  4. Step 4: Simplify right side
    531.54x = 302,993.82
  5. Step 5: Solve for x
    x = 302,993.82/531.54
  6. Step 6: Final answer
    x = 570.03

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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.