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Finding the Fourth Proportional to 845.56, 1,166.56 and 597.30

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Solution

The fourth proportional to 845.56, 1,166.56 and 597.30 is: 824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    845.56 : 1,166.56 = 597.30 : x
  2. Step 2: Convert to fraction form
    845.56/1,166.56 = 597.30/x
  3. Step 3: Cross multiply
    845.56x = 1,166.56 × 597.30
  4. Step 4: Simplify right side
    845.56x = 696,786.29
  5. Step 5: Solve for x
    x = 696,786.29/845.56
  6. Step 6: Final answer
    x = 824.05

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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.