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Finding the Fourth Proportional to 895,896.86, 1,236,337.77 and 493,488.86

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Solution

The fourth proportional to 895,896.86, 1,236,337.77 and 493,488.86 is: 681,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,896.86 : 1,236,337.77 = 493,488.86 : x
  2. Step 2: Convert to fraction form
    895,896.86/1,236,337.77 = 493,488.86/x
  3. Step 3: Cross multiply
    895,896.86x = 1,236,337.77 × 493,488.86
  4. Step 4: Simplify right side
    895,896.86x = 610,118,916,692.24
  5. Step 5: Solve for x
    x = 610,118,916,692.24/895,896.86
  6. Step 6: Final answer
    x = 681,014.68

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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.