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Finding the Fourth Proportional to 331,706.85, 457,755.58 and 188,467.08

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Solution

The fourth proportional to 331,706.85, 457,755.58 and 188,467.08 is: 260,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,706.85 : 457,755.58 = 188,467.08 : x
  2. Step 2: Convert to fraction form
    331,706.85/457,755.58 = 188,467.08/x
  3. Step 3: Cross multiply
    331,706.85x = 457,755.58 × 188,467.08
  4. Step 4: Simplify right side
    331,706.85x = 86,271,857,516.31
  5. Step 5: Solve for x
    x = 86,271,857,516.31/331,706.85
  6. Step 6: Final answer
    x = 260,084.64

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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.