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Finding the Fourth Proportional to 478,882.56, 660,887.64 and 264,022.26

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Solution

The fourth proportional to 478,882.56, 660,887.64 and 264,022.26 is: 364,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,882.56 : 660,887.64 = 264,022.26 : x
  2. Step 2: Convert to fraction form
    478,882.56/660,887.64 = 264,022.26/x
  3. Step 3: Cross multiply
    478,882.56x = 660,887.64 × 264,022.26
  4. Step 4: Simplify right side
    478,882.56x = 174,489,048,318.87
  5. Step 5: Solve for x
    x = 174,489,048,318.87/478,882.56
  6. Step 6: Final answer
    x = 364,367.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.