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Finding the Fourth Proportional to 580,125.12, 800,620.92 and 322,026.36

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Solution

The fourth proportional to 580,125.12, 800,620.92 and 322,026.36 is: 444,423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,125.12 : 800,620.92 = 322,026.36 : x
  2. Step 2: Convert to fraction form
    580,125.12/800,620.92 = 322,026.36/x
  3. Step 3: Cross multiply
    580,125.12x = 800,620.92 × 322,026.36
  4. Step 4: Simplify right side
    580,125.12x = 257,821,040,607.45
  5. Step 5: Solve for x
    x = 257,821,040,607.45/580,125.12
  6. Step 6: Final answer
    x = 444,423.16

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1.5x scale

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.