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Finding the Fourth Proportional to 500,796.92, 691,338.05 and 335,509.49

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Solution

The fourth proportional to 500,796.92, 691,338.05 and 335,509.49 is: 463,162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,796.92 : 691,338.05 = 335,509.49 : x
  2. Step 2: Convert to fraction form
    500,796.92/691,338.05 = 335,509.49/x
  3. Step 3: Cross multiply
    500,796.92x = 691,338.05 × 335,509.49
  4. Step 4: Simplify right side
    500,796.92x = 231,950,473,116.40
  5. Step 5: Solve for x
    x = 231,950,473,116.40/500,796.92
  6. Step 6: Final answer
    x = 463,162.74

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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.