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Finding the Fourth Proportional to 332.10, 457.02 and 294.84

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Solution

The fourth proportional to 332.10, 457.02 and 294.84 is: 405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.10 : 457.02 = 294.84 : x
  2. Step 2: Convert to fraction form
    332.10/457.02 = 294.84/x
  3. Step 3: Cross multiply
    332.10x = 457.02 × 294.84
  4. Step 4: Simplify right side
    332.10x = 134,747.78
  5. Step 5: Solve for x
    x = 134,747.78/332.10
  6. Step 6: Final answer
    x = 405.74

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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.