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Finding the Fourth Proportional to 1,107,230.51, 1,527,978.11 and 597,932.88

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Solution

The fourth proportional to 1,107,230.51, 1,527,978.11 and 597,932.88 is: 825,147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,230.51 : 1,527,978.11 = 597,932.88 : x
  2. Step 2: Convert to fraction form
    1,107,230.51/1,527,978.11 = 597,932.88/x
  3. Step 3: Cross multiply
    1,107,230.51x = 1,527,978.11 × 597,932.88
  4. Step 4: Simplify right side
    1,107,230.51x = 913,628,348,899.59
  5. Step 5: Solve for x
    x = 913,628,348,899.59/1,107,230.51
  6. Step 6: Final answer
    x = 825,147.38

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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.