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Finding the Fourth Proportional to 354,067.98, 530,594.40 and 283,204.92

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Solution

The fourth proportional to 354,067.98, 530,594.40 and 283,204.92 is: 424,401.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,067.98 : 530,594.40 = 283,204.92 : x
  2. Step 2: Convert to fraction form
    354,067.98/530,594.40 = 283,204.92/x
  3. Step 3: Cross multiply
    354,067.98x = 530,594.40 × 283,204.92
  4. Step 4: Simplify right side
    354,067.98x = 150,266,944,604.45
  5. Step 5: Solve for x
    x = 150,266,944,604.45/354,067.98
  6. Step 6: Final answer
    x = 424,401.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.