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Finding the Fourth Proportional to 545,850.74, 818,900.75 and 166,825.42

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Solution

The fourth proportional to 545,850.74, 818,900.75 and 166,825.42 is: 250,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,850.74 : 818,900.75 = 166,825.42 : x
  2. Step 2: Convert to fraction form
    545,850.74/818,900.75 = 166,825.42/x
  3. Step 3: Cross multiply
    545,850.74x = 818,900.75 × 166,825.42
  4. Step 4: Simplify right side
    545,850.74x = 136,613,459,926.88
  5. Step 5: Solve for x
    x = 136,613,459,926.88/545,850.74
  6. Step 6: Final answer
    x = 250,276.22

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1.5x scale

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.