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Finding the Fourth Proportional to 331,775.31, 457,850.16 and 180,872.31

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Solution

The fourth proportional to 331,775.31, 457,850.16 and 180,872.31 is: 249,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,775.31 : 457,850.16 = 180,872.31 : x
  2. Step 2: Convert to fraction form
    331,775.31/457,850.16 = 180,872.31/x
  3. Step 3: Cross multiply
    331,775.31x = 457,850.16 × 180,872.31
  4. Step 4: Simplify right side
    331,775.31x = 82,812,416,073.07
  5. Step 5: Solve for x
    x = 82,812,416,073.07/331,775.31
  6. Step 6: Final answer
    x = 249,603.91

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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.