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Finding the Fourth Proportional to 283,563.61, 391,299.46 and 168,850.67

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Solution

The fourth proportional to 283,563.61, 391,299.46 and 168,850.67 is: 233,003.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,563.61 : 391,299.46 = 168,850.67 : x
  2. Step 2: Convert to fraction form
    283,563.61/391,299.46 = 168,850.67/x
  3. Step 3: Cross multiply
    283,563.61x = 391,299.46 × 168,850.67
  4. Step 4: Simplify right side
    283,563.61x = 66,071,173,613.01
  5. Step 5: Solve for x
    x = 66,071,173,613.01/283,563.61
  6. Step 6: Final answer
    x = 233,003.01

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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.