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Finding the Fourth Proportional to 283,599.84, 391,367.83 and 154,538.34

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Solution

The fourth proportional to 283,599.84, 391,367.83 and 154,538.34 is: 213,262.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,599.84 : 391,367.83 = 154,538.34 : x
  2. Step 2: Convert to fraction form
    283,599.84/391,367.83 = 154,538.34/x
  3. Step 3: Cross multiply
    283,599.84x = 391,367.83 × 154,538.34
  4. Step 4: Simplify right side
    283,599.84x = 60,481,334,777.60
  5. Step 5: Solve for x
    x = 60,481,334,777.60/283,599.84
  6. Step 6: Final answer
    x = 213,262.94

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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.