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Finding the Fourth Proportional to 376,818.90, 565,884.45 and 199,671.90

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Solution

The fourth proportional to 376,818.90, 565,884.45 and 199,671.90 is: 299,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,818.90 : 565,884.45 = 199,671.90 : x
  2. Step 2: Convert to fraction form
    376,818.90/565,884.45 = 199,671.90/x
  3. Step 3: Cross multiply
    376,818.90x = 565,884.45 × 199,671.90
  4. Step 4: Simplify right side
    376,818.90x = 112,991,223,311.96
  5. Step 5: Solve for x
    x = 112,991,223,311.96/376,818.90
  6. Step 6: Final answer
    x = 299,855.51

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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.