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Finding the Fourth Proportional to 847.46, 1,169.63 and 533.00

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Solution

The fourth proportional to 847.46, 1,169.63 and 533.00 is: 735.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    847.46 : 1,169.63 = 533.00 : x
  2. Step 2: Convert to fraction form
    847.46/1,169.63 = 533.00/x
  3. Step 3: Cross multiply
    847.46x = 1,169.63 × 533.00
  4. Step 4: Simplify right side
    847.46x = 623,404.28
  5. Step 5: Solve for x
    x = 623,404.28/847.46
  6. Step 6: Final answer
    x = 735.62

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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.