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Finding the Fourth Proportional to 406,543.60, 608,940.60 and 336,559.60

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Solution

The fourth proportional to 406,543.60, 608,940.60 and 336,559.60 is: 504,115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,543.60 : 608,940.60 = 336,559.60 : x
  2. Step 2: Convert to fraction form
    406,543.60/608,940.60 = 336,559.60/x
  3. Step 3: Cross multiply
    406,543.60x = 608,940.60 × 336,559.60
  4. Step 4: Simplify right side
    406,543.60x = 204,944,804,759.76
  5. Step 5: Solve for x
    x = 204,944,804,759.76/406,543.60
  6. Step 6: Final answer
    x = 504,115.19

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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.