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Finding the Fourth Proportional to 436,535.25, 655,103.52 and 152,227.95

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Solution

The fourth proportional to 436,535.25, 655,103.52 and 152,227.95 is: 228,446.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,535.25 : 655,103.52 = 152,227.95 : x
  2. Step 2: Convert to fraction form
    436,535.25/655,103.52 = 152,227.95/x
  3. Step 3: Cross multiply
    436,535.25x = 655,103.52 × 152,227.95
  4. Step 4: Simplify right side
    436,535.25x = 99,725,065,887.38
  5. Step 5: Solve for x
    x = 99,725,065,887.38/436,535.25
  6. Step 6: Final answer
    x = 228,446.77

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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.