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Finding the Fourth Proportional to 316.93, 437.35 and 177.04

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Solution

The fourth proportional to 316.93, 437.35 and 177.04 is: 244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.93 : 437.35 = 177.04 : x
  2. Step 2: Convert to fraction form
    316.93/437.35 = 177.04/x
  3. Step 3: Cross multiply
    316.93x = 437.35 × 177.04
  4. Step 4: Simplify right side
    316.93x = 77,430.61
  5. Step 5: Solve for x
    x = 77,430.61/316.93
  6. Step 6: Final answer
    x = 244.32

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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.