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Finding the Fourth Proportional to 488,268.45, 673,360.83 and 335,036.30

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Solution

The fourth proportional to 488,268.45, 673,360.83 and 335,036.30 is: 462,041.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,268.45 : 673,360.83 = 335,036.30 : x
  2. Step 2: Convert to fraction form
    488,268.45/673,360.83 = 335,036.30/x
  3. Step 3: Cross multiply
    488,268.45x = 673,360.83 × 335,036.30
  4. Step 4: Simplify right side
    488,268.45x = 225,600,317,681.33
  5. Step 5: Solve for x
    x = 225,600,317,681.33/488,268.45
  6. Step 6: Final answer
    x = 462,041.56

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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.