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Finding the Fourth Proportional to 567,859.70, 783,644.73 and 326,157.86

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Solution

The fourth proportional to 567,859.70, 783,644.73 and 326,157.86 is: 450,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,859.70 : 783,644.73 = 326,157.86 : x
  2. Step 2: Convert to fraction form
    567,859.70/783,644.73 = 326,157.86/x
  3. Step 3: Cross multiply
    567,859.70x = 783,644.73 × 326,157.86
  4. Step 4: Simplify right side
    567,859.70x = 255,591,888,137.08
  5. Step 5: Solve for x
    x = 255,591,888,137.08/567,859.70
  6. Step 6: Final answer
    x = 450,096.90

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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.