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Finding the Fourth Proportional to 595,782.20, 893,435.70 and 196,311.80

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Solution

The fourth proportional to 595,782.20, 893,435.70 and 196,311.80 is: 294,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,782.20 : 893,435.70 = 196,311.80 : x
  2. Step 2: Convert to fraction form
    595,782.20/893,435.70 = 196,311.80/x
  3. Step 3: Cross multiply
    595,782.20x = 893,435.70 × 196,311.80
  4. Step 4: Simplify right side
    595,782.20x = 175,391,970,451.26
  5. Step 5: Solve for x
    x = 175,391,970,451.26/595,782.20
  6. Step 6: Final answer
    x = 294,389.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.