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Finding the Fourth Proportional to 364.82, 546.53 and 291.84

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Solution

The fourth proportional to 364.82, 546.53 and 291.84 is: 437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.82 : 546.53 = 291.84 : x
  2. Step 2: Convert to fraction form
    364.82/546.53 = 291.84/x
  3. Step 3: Cross multiply
    364.82x = 546.53 × 291.84
  4. Step 4: Simplify right side
    364.82x = 159,499.32
  5. Step 5: Solve for x
    x = 159,499.32/364.82
  6. Step 6: Final answer
    x = 437.20

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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.