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Finding the Fourth Proportional to 771,560.12, 1,156,237.32 and 433,892

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Solution

The fourth proportional to 771,560.12, 1,156,237.32 and 433,892 is: 650,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,560.12 : 1,156,237.32 = 433,892 : x
  2. Step 2: Convert to fraction form
    771,560.12/1,156,237.32 = 433,892/x
  3. Step 3: Cross multiply
    771,560.12x = 1,156,237.32 × 433,892
  4. Step 4: Simplify right side
    771,560.12x = 501,682,123,249.44
  5. Step 5: Solve for x
    x = 501,682,123,249.44/771,560.12
  6. Step 6: Final answer
    x = 650,217.80

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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.