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Finding the Fourth Proportional to 374.96, 565.45 and 372.53

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Solution

The fourth proportional to 374.96, 565.45 and 372.53 is: 561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.96 : 565.45 = 372.53 : x
  2. Step 2: Convert to fraction form
    374.96/565.45 = 372.53/x
  3. Step 3: Cross multiply
    374.96x = 565.45 × 372.53
  4. Step 4: Simplify right side
    374.96x = 210,647.57
  5. Step 5: Solve for x
    x = 210,647.57/374.96
  6. Step 6: Final answer
    x = 561.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.