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Finding the Fourth Proportional to 555,694.89, 766,854.70 and 301,044.25

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Solution

The fourth proportional to 555,694.89, 766,854.70 and 301,044.25 is: 415,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,694.89 : 766,854.70 = 301,044.25 : x
  2. Step 2: Convert to fraction form
    555,694.89/766,854.70 = 301,044.25/x
  3. Step 3: Cross multiply
    555,694.89x = 766,854.70 × 301,044.25
  4. Step 4: Simplify right side
    555,694.89x = 230,857,198,020.48
  5. Step 5: Solve for x
    x = 230,857,198,020.48/555,694.89
  6. Step 6: Final answer
    x = 415,438.76

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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.