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Finding the Fourth Proportional to 555,246.36, 766,157.13 and 313,523.73

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Solution

The fourth proportional to 555,246.36, 766,157.13 and 313,523.73 is: 432,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,246.36 : 766,157.13 = 313,523.73 : x
  2. Step 2: Convert to fraction form
    555,246.36/766,157.13 = 313,523.73/x
  3. Step 3: Cross multiply
    555,246.36x = 766,157.13 × 313,523.73
  4. Step 4: Simplify right side
    555,246.36x = 240,208,441,163.70
  5. Step 5: Solve for x
    x = 240,208,441,163.70/555,246.36
  6. Step 6: Final answer
    x = 432,615.97

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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.