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Finding the Fourth Proportional to 332.79, 498.46 and 274.35

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Solution

The fourth proportional to 332.79, 498.46 and 274.35 is: 410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.79 : 498.46 = 274.35 : x
  2. Step 2: Convert to fraction form
    332.79/498.46 = 274.35/x
  3. Step 3: Cross multiply
    332.79x = 498.46 × 274.35
  4. Step 4: Simplify right side
    332.79x = 136,753.35
  5. Step 5: Solve for x
    x = 136,753.35/332.79
  6. Step 6: Final answer
    x = 410.93

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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.