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Finding the Fourth Proportional to 1,170.04, 1,755.06 and 304.42

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Solution

The fourth proportional to 1,170.04, 1,755.06 and 304.42 is: 456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170.04 : 1,755.06 = 304.42 : x
  2. Step 2: Convert to fraction form
    1,170.04/1,755.06 = 304.42/x
  3. Step 3: Cross multiply
    1,170.04x = 1,755.06 × 304.42
  4. Step 4: Simplify right side
    1,170.04x = 534,275.37
  5. Step 5: Solve for x
    x = 534,275.37/1,170.04
  6. Step 6: Final answer
    x = 456.63

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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.