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Finding the Fourth Proportional to 363,911.70, 545,867.55 and 304,862.70

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Solution

The fourth proportional to 363,911.70, 545,867.55 and 304,862.70 is: 457,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,911.70 : 545,867.55 = 304,862.70 : x
  2. Step 2: Convert to fraction form
    363,911.70/545,867.55 = 304,862.70/x
  3. Step 3: Cross multiply
    363,911.70x = 545,867.55 × 304,862.70
  4. Step 4: Simplify right side
    363,911.70x = 166,414,655,135.39
  5. Step 5: Solve for x
    x = 166,414,655,135.39/363,911.70
  6. Step 6: Final answer
    x = 457,294.05

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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.