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Finding the Fourth Proportional to 283,757.61, 391,515.89 and 186,950.73

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Solution

The fourth proportional to 283,757.61, 391,515.89 and 186,950.73 is: 257,946.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,757.61 : 391,515.89 = 186,950.73 : x
  2. Step 2: Convert to fraction form
    283,757.61/391,515.89 = 186,950.73/x
  3. Step 3: Cross multiply
    283,757.61x = 391,515.89 × 186,950.73
  4. Step 4: Simplify right side
    283,757.61x = 73,194,180,507.35
  5. Step 5: Solve for x
    x = 73,194,180,507.35/283,757.61
  6. Step 6: Final answer
    x = 257,946.14

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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.