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Finding the Fourth Proportional to 576,251.56, 795,194.76 and 321,619.12

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Solution

The fourth proportional to 576,251.56, 795,194.76 and 321,619.12 is: 443,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,251.56 : 795,194.76 = 321,619.12 : x
  2. Step 2: Convert to fraction form
    576,251.56/795,194.76 = 321,619.12/x
  3. Step 3: Cross multiply
    576,251.56x = 795,194.76 × 321,619.12
  4. Step 4: Simplify right side
    576,251.56x = 255,749,838,939.81
  5. Step 5: Solve for x
    x = 255,749,838,939.81/576,251.56
  6. Step 6: Final answer
    x = 443,816.31

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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.