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Finding the Fourth Proportional to 332.47, 457.95 and 234.06

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Solution

The fourth proportional to 332.47, 457.95 and 234.06 is: 322.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.47 : 457.95 = 234.06 : x
  2. Step 2: Convert to fraction form
    332.47/457.95 = 234.06/x
  3. Step 3: Cross multiply
    332.47x = 457.95 × 234.06
  4. Step 4: Simplify right side
    332.47x = 107,186.94
  5. Step 5: Solve for x
    x = 107,186.94/332.47
  6. Step 6: Final answer
    x = 322.39

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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.