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Finding the Fourth Proportional to 1,031.42, 1,546.98 and 301.07

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Solution

The fourth proportional to 1,031.42, 1,546.98 and 301.07 is: 451.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.42 : 1,546.98 = 301.07 : x
  2. Step 2: Convert to fraction form
    1,031.42/1,546.98 = 301.07/x
  3. Step 3: Cross multiply
    1,031.42x = 1,546.98 × 301.07
  4. Step 4: Simplify right side
    1,031.42x = 465,741.53
  5. Step 5: Solve for x
    x = 465,741.53/1,031.42
  6. Step 6: Final answer
    x = 451.56

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