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Finding the Fourth Proportional to 374.24, 560.62 and 292.70

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Solution

The fourth proportional to 374.24, 560.62 and 292.70 is: 438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.24 : 560.62 = 292.70 : x
  2. Step 2: Convert to fraction form
    374.24/560.62 = 292.70/x
  3. Step 3: Cross multiply
    374.24x = 560.62 × 292.70
  4. Step 4: Simplify right side
    374.24x = 164,092.01
  5. Step 5: Solve for x
    x = 164,092.01/374.24
  6. Step 6: Final answer
    x = 438.47

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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.