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Finding the Fourth Proportional to 595,406.85, 821,657.97 and 323,472.57

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Solution

The fourth proportional to 595,406.85, 821,657.97 and 323,472.57 is: 446,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,406.85 : 821,657.97 = 323,472.57 : x
  2. Step 2: Convert to fraction form
    595,406.85/821,657.97 = 323,472.57/x
  3. Step 3: Cross multiply
    595,406.85x = 821,657.97 × 323,472.57
  4. Step 4: Simplify right side
    595,406.85x = 265,783,815,216.88
  5. Step 5: Solve for x
    x = 265,783,815,216.88/595,406.85
  6. Step 6: Final answer
    x = 446,390.25

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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.