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Finding the Fourth Proportional to 789.54, 1,184.71 and 532.50

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Solution

The fourth proportional to 789.54, 1,184.71 and 532.50 is: 799.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    789.54 : 1,184.71 = 532.50 : x
  2. Step 2: Convert to fraction form
    789.54/1,184.71 = 532.50/x
  3. Step 3: Cross multiply
    789.54x = 1,184.71 × 532.50
  4. Step 4: Simplify right side
    789.54x = 630,858.08
  5. Step 5: Solve for x
    x = 630,858.08/789.54
  6. Step 6: Final answer
    x = 799.02

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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.