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Finding the Fourth Proportional to 365,538.14, 548,314.73 and 112,818.78

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Solution

The fourth proportional to 365,538.14, 548,314.73 and 112,818.78 is: 169,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,538.14 : 548,314.73 = 112,818.78 : x
  2. Step 2: Convert to fraction form
    365,538.14/548,314.73 = 112,818.78/x
  3. Step 3: Cross multiply
    365,538.14x = 548,314.73 × 112,818.78
  4. Step 4: Simplify right side
    365,538.14x = 61,860,198,330.54
  5. Step 5: Solve for x
    x = 61,860,198,330.54/365,538.14
  6. Step 6: Final answer
    x = 169,230.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.