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Finding the Fourth Proportional to 469.59, 704.23 and 177.23

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Solution

The fourth proportional to 469.59, 704.23 and 177.23 is: 265.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.59 : 704.23 = 177.23 : x
  2. Step 2: Convert to fraction form
    469.59/704.23 = 177.23/x
  3. Step 3: Cross multiply
    469.59x = 704.23 × 177.23
  4. Step 4: Simplify right side
    469.59x = 124,810.68
  5. Step 5: Solve for x
    x = 124,810.68/469.59
  6. Step 6: Final answer
    x = 265.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.