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Finding the Fourth Proportional to 580,054.37, 800,480.49 and 325,411.02

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Solution

The fourth proportional to 580,054.37, 800,480.49 and 325,411.02 is: 449,070.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,054.37 : 800,480.49 = 325,411.02 : x
  2. Step 2: Convert to fraction form
    580,054.37/800,480.49 = 325,411.02/x
  3. Step 3: Cross multiply
    580,054.37x = 800,480.49 × 325,411.02
  4. Step 4: Simplify right side
    580,054.37x = 260,485,172,741.00
  5. Step 5: Solve for x
    x = 260,485,172,741.00/580,054.37
  6. Step 6: Final answer
    x = 449,070.27

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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.