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Finding the Fourth Proportional to 228,007.80, 341,027.55 and 192,578.40

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Solution

The fourth proportional to 228,007.80, 341,027.55 and 192,578.40 is: 288,036.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,007.80 : 341,027.55 = 192,578.40 : x
  2. Step 2: Convert to fraction form
    228,007.80/341,027.55 = 192,578.40/x
  3. Step 3: Cross multiply
    228,007.80x = 341,027.55 × 192,578.40
  4. Step 4: Simplify right side
    228,007.80x = 65,674,539,934.92
  5. Step 5: Solve for x
    x = 65,674,539,934.92/228,007.80
  6. Step 6: Final answer
    x = 288,036.37

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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.