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Finding the Fourth Proportional to 331,548.96, 457,538.58 and 188,310.18

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Solution

The fourth proportional to 331,548.96, 457,538.58 and 188,310.18 is: 259,868.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,548.96 : 457,538.58 = 188,310.18 : x
  2. Step 2: Convert to fraction form
    331,548.96/457,538.58 = 188,310.18/x
  3. Step 3: Cross multiply
    331,548.96x = 457,538.58 × 188,310.18
  4. Step 4: Simplify right side
    331,548.96x = 86,159,172,356.74
  5. Step 5: Solve for x
    x = 86,159,172,356.74/331,548.96
  6. Step 6: Final answer
    x = 259,868.63

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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.