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Finding the Fourth Proportional to 332.77, 459 and 214.69

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Solution

The fourth proportional to 332.77, 459 and 214.69 is: 296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.77 : 459 = 214.69 : x
  2. Step 2: Convert to fraction form
    332.77/459 = 214.69/x
  3. Step 3: Cross multiply
    332.77x = 459 × 214.69
  4. Step 4: Simplify right side
    332.77x = 98,542.71
  5. Step 5: Solve for x
    x = 98,542.71/332.77
  6. Step 6: Final answer
    x = 296.13

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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.