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Finding the Fourth Proportional to 331,653.69, 457,682.54 and 180,750.69

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Solution

The fourth proportional to 331,653.69, 457,682.54 and 180,750.69 is: 249,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,653.69 : 457,682.54 = 180,750.69 : x
  2. Step 2: Convert to fraction form
    331,653.69/457,682.54 = 180,750.69/x
  3. Step 3: Cross multiply
    331,653.69x = 457,682.54 × 180,750.69
  4. Step 4: Simplify right side
    331,653.69x = 82,726,434,002.20
  5. Step 5: Solve for x
    x = 82,726,434,002.20/331,653.69
  6. Step 6: Final answer
    x = 249,436.19

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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.