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Finding the Fourth Proportional to 1,617,648, 2,232,354.24 and 902,256

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Solution

The fourth proportional to 1,617,648, 2,232,354.24 and 902,256 is: 1,245,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,648 : 2,232,354.24 = 902,256 : x
  2. Step 2: Convert to fraction form
    1,617,648/2,232,354.24 = 902,256/x
  3. Step 3: Cross multiply
    1,617,648x = 2,232,354.24 × 902,256
  4. Step 4: Simplify right side
    1,617,648x = 2,014,155,007,165.44
  5. Step 5: Solve for x
    x = 2,014,155,007,165.44/1,617,648
  6. Step 6: Final answer
    x = 1,245,113.28

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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.