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Finding the Fourth Proportional to 406,377.60, 608,529.60 and 323,433.60

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Solution

The fourth proportional to 406,377.60, 608,529.60 and 323,433.60 is: 484,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,377.60 : 608,529.60 = 323,433.60 : x
  2. Step 2: Convert to fraction form
    406,377.60/608,529.60 = 323,433.60/x
  3. Step 3: Cross multiply
    406,377.60x = 608,529.60 × 323,433.60
  4. Step 4: Simplify right side
    406,377.60x = 196,818,919,234.56
  5. Step 5: Solve for x
    x = 196,818,919,234.56/406,377.60
  6. Step 6: Final answer
    x = 484,325.22

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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.