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Finding the Fourth Proportional to 756.73, 1,132.71 and 524.44

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Solution

The fourth proportional to 756.73, 1,132.71 and 524.44 is: 785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    756.73 : 1,132.71 = 524.44 : x
  2. Step 2: Convert to fraction form
    756.73/1,132.71 = 524.44/x
  3. Step 3: Cross multiply
    756.73x = 1,132.71 × 524.44
  4. Step 4: Simplify right side
    756.73x = 594,038.43
  5. Step 5: Solve for x
    x = 594,038.43/756.73
  6. Step 6: Final answer
    x = 785.01

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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.