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Finding the Fourth Proportional to 332, 497.28 and 303.92

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Solution

The fourth proportional to 332, 497.28 and 303.92 is: 455.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    332 : 497.28 = 303.92 : x
  2. Step 2: Convert to fraction form
    332/497.28 = 303.92/x
  3. Step 3: Cross multiply
    332x = 497.28 × 303.92
  4. Step 4: Simplify right side
    332x = 151,133.34
  5. Step 5: Solve for x
    x = 151,133.34/332
  6. Step 6: Final answer
    x = 455.22

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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.