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Finding the Fourth Proportional to 292.50, 437.66 and 276.08

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Solution

The fourth proportional to 292.50, 437.66 and 276.08 is: 413.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.50 : 437.66 = 276.08 : x
  2. Step 2: Convert to fraction form
    292.50/437.66 = 276.08/x
  3. Step 3: Cross multiply
    292.50x = 437.66 × 276.08
  4. Step 4: Simplify right side
    292.50x = 120,829.17
  5. Step 5: Solve for x
    x = 120,829.17/292.50
  6. Step 6: Final answer
    x = 413.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.