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Finding the Fourth Proportional to 332.59, 459.44 and 316.39

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Solution

The fourth proportional to 332.59, 459.44 and 316.39 is: 437.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.59 : 459.44 = 316.39 : x
  2. Step 2: Convert to fraction form
    332.59/459.44 = 316.39/x
  3. Step 3: Cross multiply
    332.59x = 459.44 × 316.39
  4. Step 4: Simplify right side
    332.59x = 145,362.22
  5. Step 5: Solve for x
    x = 145,362.22/332.59
  6. Step 6: Final answer
    x = 437.06

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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.