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Finding the Fourth Proportional to 895,879, 1,236,313.08 and 493,471

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Solution

The fourth proportional to 895,879, 1,236,313.08 and 493,471 is: 680,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,879 : 1,236,313.08 = 493,471 : x
  2. Step 2: Convert to fraction form
    895,879/1,236,313.08 = 493,471/x
  3. Step 3: Cross multiply
    895,879x = 1,236,313.08 × 493,471
  4. Step 4: Simplify right side
    895,879x = 610,084,651,900.68
  5. Step 5: Solve for x
    x = 610,084,651,900.68/895,879
  6. Step 6: Final answer
    x = 680,990.01

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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.