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Finding the Fourth Proportional to 302.34, 453.24 and 174

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Solution

The fourth proportional to 302.34, 453.24 and 174 is: 260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.34 : 453.24 = 174 : x
  2. Step 2: Convert to fraction form
    302.34/453.24 = 174/x
  3. Step 3: Cross multiply
    302.34x = 453.24 × 174
  4. Step 4: Simplify right side
    302.34x = 78,863.76
  5. Step 5: Solve for x
    x = 78,863.76/302.34
  6. Step 6: Final answer
    x = 260.84

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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.