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Finding the Fourth Proportional to 1,834,564.60, 2,751,846.90 and 711,904.60

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Solution

The fourth proportional to 1,834,564.60, 2,751,846.90 and 711,904.60 is: 1,067,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834,564.60 : 2,751,846.90 = 711,904.60 : x
  2. Step 2: Convert to fraction form
    1,834,564.60/2,751,846.90 = 711,904.60/x
  3. Step 3: Cross multiply
    1,834,564.60x = 2,751,846.90 × 711,904.60
  4. Step 4: Simplify right side
    1,834,564.60x = 1,959,052,466,605.74
  5. Step 5: Solve for x
    x = 1,959,052,466,605.74/1,834,564.60
  6. Step 6: Final answer
    x = 1,067,856.90

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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.