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Finding the Fourth Proportional to 331,532.16, 497,301.72 and 265,392.73

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Solution

The fourth proportional to 331,532.16, 497,301.72 and 265,392.73 is: 398,091.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,532.16 : 497,301.72 = 265,392.73 : x
  2. Step 2: Convert to fraction form
    331,532.16/497,301.72 = 265,392.73/x
  3. Step 3: Cross multiply
    331,532.16x = 497,301.72 × 265,392.73
  4. Step 4: Simplify right side
    331,532.16x = 131,980,261,104.50
  5. Step 5: Solve for x
    x = 131,980,261,104.50/331,532.16
  6. Step 6: Final answer
    x = 398,091.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.