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Finding the Fourth Proportional to 576,609.80, 795,716.77 and 314,965.32

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Solution

The fourth proportional to 576,609.80, 795,716.77 and 314,965.32 is: 434,649.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,609.80 : 795,716.77 = 314,965.32 : x
  2. Step 2: Convert to fraction form
    576,609.80/795,716.77 = 314,965.32/x
  3. Step 3: Cross multiply
    576,609.80x = 795,716.77 × 314,965.32
  4. Step 4: Simplify right side
    576,609.80x = 250,623,187,092.42
  5. Step 5: Solve for x
    x = 250,623,187,092.42/576,609.80
  6. Step 6: Final answer
    x = 434,649.54

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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.