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Finding the Fourth Proportional to 292.32, 437.40 and 262.35

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Solution

The fourth proportional to 292.32, 437.40 and 262.35 is: 392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.32 : 437.40 = 262.35 : x
  2. Step 2: Convert to fraction form
    292.32/437.40 = 262.35/x
  3. Step 3: Cross multiply
    292.32x = 437.40 × 262.35
  4. Step 4: Simplify right side
    292.32x = 114,751.89
  5. Step 5: Solve for x
    x = 114,751.89/292.32
  6. Step 6: Final answer
    x = 392.56

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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.