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Finding the Fourth Proportional to 331,455.96, 457,409.34 and 180,552.96

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Solution

The fourth proportional to 331,455.96, 457,409.34 and 180,552.96 is: 249,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,455.96 : 457,409.34 = 180,552.96 : x
  2. Step 2: Convert to fraction form
    331,455.96/457,409.34 = 180,552.96/x
  3. Step 3: Cross multiply
    331,455.96x = 457,409.34 × 180,552.96
  4. Step 4: Simplify right side
    331,455.96x = 82,586,610,268.65
  5. Step 5: Solve for x
    x = 82,586,610,268.65/331,455.96
  6. Step 6: Final answer
    x = 249,163.15

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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.