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Finding the Fourth Proportional to 608,910.60, 914,114.70 and 384,270.60

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Solution

The fourth proportional to 608,910.60, 914,114.70 and 384,270.60 is: 576,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,910.60 : 914,114.70 = 384,270.60 : x
  2. Step 2: Convert to fraction form
    608,910.60/914,114.70 = 384,270.60/x
  3. Step 3: Cross multiply
    608,910.60x = 914,114.70 × 384,270.60
  4. Step 4: Simplify right side
    608,910.60x = 351,267,404,237.82
  5. Step 5: Solve for x
    x = 351,267,404,237.82/608,910.60
  6. Step 6: Final answer
    x = 576,878.45

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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.