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Finding the Fourth Proportional to 252,740.64, 348,922.16 and 172,286.32

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Solution

The fourth proportional to 252,740.64, 348,922.16 and 172,286.32 is: 237,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,740.64 : 348,922.16 = 172,286.32 : x
  2. Step 2: Convert to fraction form
    252,740.64/348,922.16 = 172,286.32/x
  3. Step 3: Cross multiply
    252,740.64x = 348,922.16 × 172,286.32
  4. Step 4: Simplify right side
    252,740.64x = 60,114,514,912.85
  5. Step 5: Solve for x
    x = 60,114,514,912.85/252,740.64
  6. Step 6: Final answer
    x = 237,850.61

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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.