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Finding the Fourth Proportional to 332.55, 457.98 and 325.37

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Solution

The fourth proportional to 332.55, 457.98 and 325.37 is: 448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.55 : 457.98 = 325.37 : x
  2. Step 2: Convert to fraction form
    332.55/457.98 = 325.37/x
  3. Step 3: Cross multiply
    332.55x = 457.98 × 325.37
  4. Step 4: Simplify right side
    332.55x = 149,013.77
  5. Step 5: Solve for x
    x = 149,013.77/332.55
  6. Step 6: Final answer
    x = 448.10

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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.