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Finding the Fourth Proportional to 847.63, 1,169.40 and 532.76

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Solution

The fourth proportional to 847.63, 1,169.40 and 532.76 is: 735.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    847.63 : 1,169.40 = 532.76 : x
  2. Step 2: Convert to fraction form
    847.63/1,169.40 = 532.76/x
  3. Step 3: Cross multiply
    847.63x = 1,169.40 × 532.76
  4. Step 4: Simplify right side
    847.63x = 623,006.88
  5. Step 5: Solve for x
    x = 623,006.88/847.63
  6. Step 6: Final answer
    x = 735.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.