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Finding the Fourth Proportional to 895,664.88, 1,236,012.12 and 493,254

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Solution

The fourth proportional to 895,664.88, 1,236,012.12 and 493,254 is: 680,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,664.88 : 1,236,012.12 = 493,254 : x
  2. Step 2: Convert to fraction form
    895,664.88/1,236,012.12 = 493,254/x
  3. Step 3: Cross multiply
    895,664.88x = 1,236,012.12 × 493,254
  4. Step 4: Simplify right side
    895,664.88x = 609,667,922,238.48
  5. Step 5: Solve for x
    x = 609,667,922,238.48/895,664.88
  6. Step 6: Final answer
    x = 680,687.54

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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.