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Finding the Fourth Proportional to 1,452.62, 2,180.30 and 529.07

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Solution

The fourth proportional to 1,452.62, 2,180.30 and 529.07 is: 794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.62 : 2,180.30 = 529.07 : x
  2. Step 2: Convert to fraction form
    1,452.62/2,180.30 = 529.07/x
  3. Step 3: Cross multiply
    1,452.62x = 2,180.30 × 529.07
  4. Step 4: Simplify right side
    1,452.62x = 1,153,531.32
  5. Step 5: Solve for x
    x = 1,153,531.32/1,452.62
  6. Step 6: Final answer
    x = 794.10

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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.