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Finding the Fourth Proportional to 555,229.44, 766,170.36 and 325,762.74

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Solution

The fourth proportional to 555,229.44, 766,170.36 and 325,762.74 is: 449,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,229.44 : 766,170.36 = 325,762.74 : x
  2. Step 2: Convert to fraction form
    555,229.44/766,170.36 = 325,762.74/x
  3. Step 3: Cross multiply
    555,229.44x = 766,170.36 × 325,762.74
  4. Step 4: Simplify right side
    555,229.44x = 249,589,755,780.39
  5. Step 5: Solve for x
    x = 249,589,755,780.39/555,229.44
  6. Step 6: Final answer
    x = 449,525.44

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Double scale
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Similar ratio
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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.