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Finding the Fourth Proportional to 377.33, 562.65 and 353.23

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Solution

The fourth proportional to 377.33, 562.65 and 353.23 is: 526.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.33 : 562.65 = 353.23 : x
  2. Step 2: Convert to fraction form
    377.33/562.65 = 353.23/x
  3. Step 3: Cross multiply
    377.33x = 562.65 × 353.23
  4. Step 4: Simplify right side
    377.33x = 198,742.13
  5. Step 5: Solve for x
    x = 198,742.13/377.33
  6. Step 6: Final answer
    x = 526.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.