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Finding the Fourth Proportional to 303,459.52, 418,775.64 and 167,493.73

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Solution

The fourth proportional to 303,459.52, 418,775.64 and 167,493.73 is: 231,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,459.52 : 418,775.64 = 167,493.73 : x
  2. Step 2: Convert to fraction form
    303,459.52/418,775.64 = 167,493.73/x
  3. Step 3: Cross multiply
    303,459.52x = 418,775.64 × 167,493.73
  4. Step 4: Simplify right side
    303,459.52x = 70,142,291,882.86
  5. Step 5: Solve for x
    x = 70,142,291,882.86/303,459.52
  6. Step 6: Final answer
    x = 231,142.17

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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.