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Finding the Fourth Proportional to 292.35, 437.23 and 260.08

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Solution

The fourth proportional to 292.35, 437.23 and 260.08 is: 388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.35 : 437.23 = 260.08 : x
  2. Step 2: Convert to fraction form
    292.35/437.23 = 260.08/x
  3. Step 3: Cross multiply
    292.35x = 437.23 × 260.08
  4. Step 4: Simplify right side
    292.35x = 113,711.29
  5. Step 5: Solve for x
    x = 113,711.29/292.35
  6. Step 6: Final answer
    x = 388.96

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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.