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Finding the Fourth Proportional to 1,731,730.66, 2,389,894.41 and 967,845.22

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Solution

The fourth proportional to 1,731,730.66, 2,389,894.41 and 967,845.22 is: 1,335,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,730.66 : 2,389,894.41 = 967,845.22 : x
  2. Step 2: Convert to fraction form
    1,731,730.66/2,389,894.41 = 967,845.22/x
  3. Step 3: Cross multiply
    1,731,730.66x = 2,389,894.41 × 967,845.22
  4. Step 4: Simplify right side
    1,731,730.66x = 2,313,047,881,023.22
  5. Step 5: Solve for x
    x = 2,313,047,881,023.22/1,731,730.66
  6. Step 6: Final answer
    x = 1,335,685.70

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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.