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Finding the Fourth Proportional to 283,615.70, 425,423.55 and 273,992.90

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Solution

The fourth proportional to 283,615.70, 425,423.55 and 273,992.90 is: 410,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,615.70 : 425,423.55 = 273,992.90 : x
  2. Step 2: Convert to fraction form
    283,615.70/425,423.55 = 273,992.90/x
  3. Step 3: Cross multiply
    283,615.70x = 425,423.55 × 273,992.90
  4. Step 4: Simplify right side
    283,615.70x = 116,563,032,192.80
  5. Step 5: Solve for x
    x = 116,563,032,192.80/283,615.70
  6. Step 6: Final answer
    x = 410,989.35

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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.