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Finding the Fourth Proportional to 577,539.32, 864,619.68 and 336,917.48

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Solution

The fourth proportional to 577,539.32, 864,619.68 and 336,917.48 is: 504,390.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,539.32 : 864,619.68 = 336,917.48 : x
  2. Step 2: Convert to fraction form
    577,539.32/864,619.68 = 336,917.48/x
  3. Step 3: Cross multiply
    577,539.32x = 864,619.68 × 336,917.48
  4. Step 4: Simplify right side
    577,539.32x = 291,305,483,744.01
  5. Step 5: Solve for x
    x = 291,305,483,744.01/577,539.32
  6. Step 6: Final answer
    x = 504,390.74

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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.