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Finding the Fourth Proportional to 845.06, 1,166.18 and 466.96

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Solution

The fourth proportional to 845.06, 1,166.18 and 466.96 is: 644.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    845.06 : 1,166.18 = 466.96 : x
  2. Step 2: Convert to fraction form
    845.06/1,166.18 = 466.96/x
  3. Step 3: Cross multiply
    845.06x = 1,166.18 × 466.96
  4. Step 4: Simplify right side
    845.06x = 544,551.25
  5. Step 5: Solve for x
    x = 544,551.25/845.06
  6. Step 6: Final answer
    x = 644.39

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1.5x scale

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.