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Finding the Fourth Proportional to 406,560.96, 608,516.64 and 367,761.60

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Solution

The fourth proportional to 406,560.96, 608,516.64 and 367,761.60 is: 550,444.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,560.96 : 608,516.64 = 367,761.60 : x
  2. Step 2: Convert to fraction form
    406,560.96/608,516.64 = 367,761.60/x
  3. Step 3: Cross multiply
    406,560.96x = 608,516.64 × 367,761.60
  4. Step 4: Simplify right side
    406,560.96x = 223,789,053,153.02
  5. Step 5: Solve for x
    x = 223,789,053,153.02/406,560.96
  6. Step 6: Final answer
    x = 550,444.03

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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.