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Finding the Fourth Proportional to 283,416.94, 391,086.44 and 174,503.98

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Solution

The fourth proportional to 283,416.94, 391,086.44 and 174,503.98 is: 240,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,416.94 : 391,086.44 = 174,503.98 : x
  2. Step 2: Convert to fraction form
    283,416.94/391,086.44 = 174,503.98/x
  3. Step 3: Cross multiply
    283,416.94x = 391,086.44 × 174,503.98
  4. Step 4: Simplify right side
    283,416.94x = 68,246,139,431.51
  5. Step 5: Solve for x
    x = 68,246,139,431.51/283,416.94
  6. Step 6: Final answer
    x = 240,797.67

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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.