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Finding the Fourth Proportional to 331,807.96, 497,872.14 and 163,236.88

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Solution

The fourth proportional to 331,807.96, 497,872.14 and 163,236.88 is: 244,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,807.96 : 497,872.14 = 163,236.88 : x
  2. Step 2: Convert to fraction form
    331,807.96/497,872.14 = 163,236.88/x
  3. Step 3: Cross multiply
    331,807.96x = 497,872.14 × 163,236.88
  4. Step 4: Simplify right side
    331,807.96x = 81,271,094,772.52
  5. Step 5: Solve for x
    x = 81,271,094,772.52/331,807.96
  6. Step 6: Final answer
    x = 244,934.13

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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.