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Finding the Fourth Proportional to 1,713,900.96, 2,567,673 and 859,969.80

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Solution

The fourth proportional to 1,713,900.96, 2,567,673 and 859,969.80 is: 1,288,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713,900.96 : 2,567,673 = 859,969.80 : x
  2. Step 2: Convert to fraction form
    1,713,900.96/2,567,673 = 859,969.80/x
  3. Step 3: Cross multiply
    1,713,900.96x = 2,567,673 × 859,969.80
  4. Step 4: Simplify right side
    1,713,900.96x = 2,208,121,236,275.40
  5. Step 5: Solve for x
    x = 2,208,121,236,275.40/1,713,900.96
  6. Step 6: Final answer
    x = 1,288,359.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.