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Finding the Fourth Proportional to 3,168,581.06, 4,372,644.15 and 1,718,276.12

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Solution

The fourth proportional to 3,168,581.06, 4,372,644.15 and 1,718,276.12 is: 2,371,222.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,581.06 : 4,372,644.15 = 1,718,276.12 : x
  2. Step 2: Convert to fraction form
    3,168,581.06/4,372,644.15 = 1,718,276.12/x
  3. Step 3: Cross multiply
    3,168,581.06x = 4,372,644.15 × 1,718,276.12
  4. Step 4: Simplify right side
    3,168,581.06x = 7,513,410,002,339.48
  5. Step 5: Solve for x
    x = 7,513,410,002,339.48/3,168,581.06
  6. Step 6: Final answer
    x = 2,371,222.28

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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.