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Finding the Fourth Proportional to 1,524, 2,285.55 and 483.96

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Solution

The fourth proportional to 1,524, 2,285.55 and 483.96 is: 725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524 : 2,285.55 = 483.96 : x
  2. Step 2: Convert to fraction form
    1,524/2,285.55 = 483.96/x
  3. Step 3: Cross multiply
    1,524x = 2,285.55 × 483.96
  4. Step 4: Simplify right side
    1,524x = 1,106,114.78
  5. Step 5: Solve for x
    x = 1,106,114.78/1,524
  6. Step 6: Final answer
    x = 725.80

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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.