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Finding the Fourth Proportional to 304.96, 457.06 and 175.07

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Solution

The fourth proportional to 304.96, 457.06 and 175.07 is: 262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.96 : 457.06 = 175.07 : x
  2. Step 2: Convert to fraction form
    304.96/457.06 = 175.07/x
  3. Step 3: Cross multiply
    304.96x = 457.06 × 175.07
  4. Step 4: Simplify right side
    304.96x = 80,017.49
  5. Step 5: Solve for x
    x = 80,017.49/304.96
  6. Step 6: Final answer
    x = 262.39

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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.