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Finding the Fourth Proportional to 595,311.62, 821,530.91 and 323,379.57

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Solution

The fourth proportional to 595,311.62, 821,530.91 and 323,379.57 is: 446,264.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,311.62 : 821,530.91 = 323,379.57 : x
  2. Step 2: Convert to fraction form
    595,311.62/821,530.91 = 323,379.57/x
  3. Step 3: Cross multiply
    595,311.62x = 821,530.91 × 323,379.57
  4. Step 4: Simplify right side
    595,311.62x = 265,666,310,800.61
  5. Step 5: Solve for x
    x = 265,666,310,800.61/595,311.62
  6. Step 6: Final answer
    x = 446,264.28

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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.