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Finding the Fourth Proportional to 847.06, 1,168.93 and 468.96

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Solution

The fourth proportional to 847.06, 1,168.93 and 468.96 is: 647.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    847.06 : 1,168.93 = 468.96 : x
  2. Step 2: Convert to fraction form
    847.06/1,168.93 = 468.96/x
  3. Step 3: Cross multiply
    847.06x = 1,168.93 × 468.96
  4. Step 4: Simplify right side
    847.06x = 548,181.41
  5. Step 5: Solve for x
    x = 548,181.41/847.06
  6. Step 6: Final answer
    x = 647.16

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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.