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Finding the Fourth Proportional to 335,249.80, 503,457.90 and 177,785.80

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Solution

The fourth proportional to 335,249.80, 503,457.90 and 177,785.80 is: 266,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,249.80 : 503,457.90 = 177,785.80 : x
  2. Step 2: Convert to fraction form
    335,249.80/503,457.90 = 177,785.80/x
  3. Step 3: Cross multiply
    335,249.80x = 503,457.90 × 177,785.80
  4. Step 4: Simplify right side
    335,249.80x = 89,507,665,517.82
  5. Step 5: Solve for x
    x = 89,507,665,517.82/335,249.80
  6. Step 6: Final answer
    x = 266,987.98

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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.