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Finding the Fourth Proportional to 1,031.97, 1,547.96 and 301.56

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Solution

The fourth proportional to 1,031.97, 1,547.96 and 301.56 is: 452.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.97 : 1,547.96 = 301.56 : x
  2. Step 2: Convert to fraction form
    1,031.97/1,547.96 = 301.56/x
  3. Step 3: Cross multiply
    1,031.97x = 1,547.96 × 301.56
  4. Step 4: Simplify right side
    1,031.97x = 466,797.20
  5. Step 5: Solve for x
    x = 466,797.20/1,031.97
  6. Step 6: Final answer
    x = 452.34

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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.