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Finding the Fourth Proportional to 283,494.72, 425,242.68 and 266,173.68

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Solution

The fourth proportional to 283,494.72, 425,242.68 and 266,173.68 is: 399,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,494.72 : 425,242.68 = 266,173.68 : x
  2. Step 2: Convert to fraction form
    283,494.72/425,242.68 = 266,173.68/x
  3. Step 3: Cross multiply
    283,494.72x = 425,242.68 × 266,173.68
  4. Step 4: Simplify right side
    283,494.72x = 113,188,409,028.66
  5. Step 5: Solve for x
    x = 113,188,409,028.66/283,494.72
  6. Step 6: Final answer
    x = 399,261.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.