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Finding the Fourth Proportional to 1,314,650.88, 1,968,954.24 and 834,842.88

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Solution

The fourth proportional to 1,314,650.88, 1,968,954.24 and 834,842.88 is: 1,250,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,650.88 : 1,968,954.24 = 834,842.88 : x
  2. Step 2: Convert to fraction form
    1,314,650.88/1,968,954.24 = 834,842.88/x
  3. Step 3: Cross multiply
    1,314,650.88x = 1,968,954.24 × 834,842.88
  4. Step 4: Simplify right side
    1,314,650.88x = 1,643,767,428,309.81
  5. Step 5: Solve for x
    x = 1,643,767,428,309.81/1,314,650.88
  6. Step 6: Final answer
    x = 1,250,345.21

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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.