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Finding the Fourth Proportional to 283,796.56, 391,674.68 and 162,975.60

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Solution

The fourth proportional to 283,796.56, 391,674.68 and 162,975.60 is: 224,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,796.56 : 391,674.68 = 162,975.60 : x
  2. Step 2: Convert to fraction form
    283,796.56/391,674.68 = 162,975.60/x
  3. Step 3: Cross multiply
    283,796.56x = 391,674.68 × 162,975.60
  4. Step 4: Simplify right side
    283,796.56x = 63,833,415,977.81
  5. Step 5: Solve for x
    x = 63,833,415,977.81/283,796.56
  6. Step 6: Final answer
    x = 224,926.67

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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.