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Finding the Fourth Proportional to 482.03, 665.04 and 295.46

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Solution

The fourth proportional to 482.03, 665.04 and 295.46 is: 407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.03 : 665.04 = 295.46 : x
  2. Step 2: Convert to fraction form
    482.03/665.04 = 295.46/x
  3. Step 3: Cross multiply
    482.03x = 665.04 × 295.46
  4. Step 4: Simplify right side
    482.03x = 196,492.72
  5. Step 5: Solve for x
    x = 196,492.72/482.03
  6. Step 6: Final answer
    x = 407.64

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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.