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Finding the Fourth Proportional to 608,380.88, 912,104.76 and 371,834.96

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Solution

The fourth proportional to 608,380.88, 912,104.76 and 371,834.96 is: 557,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,380.88 : 912,104.76 = 371,834.96 : x
  2. Step 2: Convert to fraction form
    608,380.88/912,104.76 = 371,834.96/x
  3. Step 3: Cross multiply
    608,380.88x = 912,104.76 × 371,834.96
  4. Step 4: Simplify right side
    608,380.88x = 339,152,436,950.41
  5. Step 5: Solve for x
    x = 339,152,436,950.41/608,380.88
  6. Step 6: Final answer
    x = 557,467.28

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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.