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Finding the Fourth Proportional to 1,601,154, 2,209,661.64 and 885,762

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Solution

The fourth proportional to 1,601,154, 2,209,661.64 and 885,762 is: 1,222,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,154 : 2,209,661.64 = 885,762 : x
  2. Step 2: Convert to fraction form
    1,601,154/2,209,661.64 = 885,762/x
  3. Step 3: Cross multiply
    1,601,154x = 2,209,661.64 × 885,762
  4. Step 4: Simplify right side
    1,601,154x = 1,957,234,313,569.68
  5. Step 5: Solve for x
    x = 1,957,234,313,569.68/1,601,154
  6. Step 6: Final answer
    x = 1,222,389.80

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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.