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Finding the Fourth Proportional to 576,230.31, 795,242.88 and 321,619.77

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Solution

The fourth proportional to 576,230.31, 795,242.88 and 321,619.77 is: 443,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,230.31 : 795,242.88 = 321,619.77 : x
  2. Step 2: Convert to fraction form
    576,230.31/795,242.88 = 321,619.77/x
  3. Step 3: Cross multiply
    576,230.31x = 795,242.88 × 321,619.77
  4. Step 4: Simplify right side
    576,230.31x = 255,765,832,159.74
  5. Step 5: Solve for x
    x = 255,765,832,159.74/576,230.31
  6. Step 6: Final answer
    x = 443,860.43

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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.