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Finding the Fourth Proportional to 560,078.15, 772,682.02 and 324,176.85

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Solution

The fourth proportional to 560,078.15, 772,682.02 and 324,176.85 is: 447,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,078.15 : 772,682.02 = 324,176.85 : x
  2. Step 2: Convert to fraction form
    560,078.15/772,682.02 = 324,176.85/x
  3. Step 3: Cross multiply
    560,078.15x = 772,682.02 × 324,176.85
  4. Step 4: Simplify right side
    560,078.15x = 250,485,622,484.80
  5. Step 5: Solve for x
    x = 250,485,622,484.80/560,078.15
  6. Step 6: Final answer
    x = 447,233.35

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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.