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Finding the Fourth Proportional to 1,172,106, 1,617,507.12 and 635,562

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Solution

The fourth proportional to 1,172,106, 1,617,507.12 and 635,562 is: 877,076.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,106 : 1,617,507.12 = 635,562 : x
  2. Step 2: Convert to fraction form
    1,172,106/1,617,507.12 = 635,562/x
  3. Step 3: Cross multiply
    1,172,106x = 1,617,507.12 × 635,562
  4. Step 4: Simplify right side
    1,172,106x = 1,028,026,060,201.44
  5. Step 5: Solve for x
    x = 1,028,026,060,201.44/1,172,106
  6. Step 6: Final answer
    x = 877,076.02

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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.