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Finding the Fourth Proportional to 316, 435.94 and 184.93

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Solution

The fourth proportional to 316, 435.94 and 184.93 is: 255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    316 : 435.94 = 184.93 : x
  2. Step 2: Convert to fraction form
    316/435.94 = 184.93/x
  3. Step 3: Cross multiply
    316x = 435.94 × 184.93
  4. Step 4: Simplify right side
    316x = 80,618.38
  5. Step 5: Solve for x
    x = 80,618.38/316
  6. Step 6: Final answer
    x = 255.12

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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.