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Finding the Fourth Proportional to 580,166.15, 800,643.08 and 325,536.17

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Solution

The fourth proportional to 580,166.15, 800,643.08 and 325,536.17 is: 449,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,166.15 : 800,643.08 = 325,536.17 : x
  2. Step 2: Convert to fraction form
    580,166.15/800,643.08 = 325,536.17/x
  3. Step 3: Cross multiply
    580,166.15x = 800,643.08 × 325,536.17
  4. Step 4: Simplify right side
    580,166.15x = 260,638,278,610.83
  5. Step 5: Solve for x
    x = 260,638,278,610.83/580,166.15
  6. Step 6: Final answer
    x = 449,247.65

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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.