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Finding the Fourth Proportional to 331,429.88, 457,374.54 and 180,525.56

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Solution

The fourth proportional to 331,429.88, 457,374.54 and 180,525.56 is: 249,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,429.88 : 457,374.54 = 180,525.56 : x
  2. Step 2: Convert to fraction form
    331,429.88/457,374.54 = 180,525.56/x
  3. Step 3: Cross multiply
    331,429.88x = 457,374.54 × 180,525.56
  4. Step 4: Simplify right side
    331,429.88x = 82,567,794,963.24
  5. Step 5: Solve for x
    x = 82,567,794,963.24/331,429.88
  6. Step 6: Final answer
    x = 249,125.98

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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.