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Finding the Fourth Proportional to 606,914.70, 910,372.05 and 492,753.30

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Solution

The fourth proportional to 606,914.70, 910,372.05 and 492,753.30 is: 739,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,914.70 : 910,372.05 = 492,753.30 : x
  2. Step 2: Convert to fraction form
    606,914.70/910,372.05 = 492,753.30/x
  3. Step 3: Cross multiply
    606,914.70x = 910,372.05 × 492,753.30
  4. Step 4: Simplify right side
    606,914.70x = 448,588,831,865.27
  5. Step 5: Solve for x
    x = 448,588,831,865.27/606,914.70
  6. Step 6: Final answer
    x = 739,129.95

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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.