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Finding the Fourth Proportional to 302.47, 417.35 and 184.48

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Solution

The fourth proportional to 302.47, 417.35 and 184.48 is: 254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.47 : 417.35 = 184.48 : x
  2. Step 2: Convert to fraction form
    302.47/417.35 = 184.48/x
  3. Step 3: Cross multiply
    302.47x = 417.35 × 184.48
  4. Step 4: Simplify right side
    302.47x = 76,992.15
  5. Step 5: Solve for x
    x = 76,992.15/302.47
  6. Step 6: Final answer
    x = 254.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.