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Finding the Fourth Proportional to 1,030.87, 1,546.55 and 337.54

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Solution

The fourth proportional to 1,030.87, 1,546.55 and 337.54 is: 506.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030.87 : 1,546.55 = 337.54 : x
  2. Step 2: Convert to fraction form
    1,030.87/1,546.55 = 337.54/x
  3. Step 3: Cross multiply
    1,030.87x = 1,546.55 × 337.54
  4. Step 4: Simplify right side
    1,030.87x = 522,022.49
  5. Step 5: Solve for x
    x = 522,022.49/1,030.87
  6. Step 6: Final answer
    x = 506.39

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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.