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Finding the Fourth Proportional to 331,775.04, 457,896.96 and 188,506.56

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Solution

The fourth proportional to 331,775.04, 457,896.96 and 188,506.56 is: 260,165.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,775.04 : 457,896.96 = 188,506.56 : x
  2. Step 2: Convert to fraction form
    331,775.04/457,896.96 = 188,506.56/x
  3. Step 3: Cross multiply
    331,775.04x = 457,896.96 × 188,506.56
  4. Step 4: Simplify right side
    331,775.04x = 86,316,580,764.06
  5. Step 5: Solve for x
    x = 86,316,580,764.06/331,775.04
  6. Step 6: Final answer
    x = 260,165.99

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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.