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Finding the Fourth Proportional to 335,785.32, 503,341.43 and 155,997.09

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Solution

The fourth proportional to 335,785.32, 503,341.43 and 155,997.09 is: 233,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,785.32 : 503,341.43 = 155,997.09 : x
  2. Step 2: Convert to fraction form
    335,785.32/503,341.43 = 155,997.09/x
  3. Step 3: Cross multiply
    335,785.32x = 503,341.43 × 155,997.09
  4. Step 4: Simplify right side
    335,785.32x = 78,519,797,576.45
  5. Step 5: Solve for x
    x = 78,519,797,576.45/335,785.32
  6. Step 6: Final answer
    x = 233,839.28

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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.