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Finding the Fourth Proportional to 1,167,250.80, 1,749,904.20 and 493,849.20

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Solution

The fourth proportional to 1,167,250.80, 1,749,904.20 and 493,849.20 is: 740,362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,250.80 : 1,749,904.20 = 493,849.20 : x
  2. Step 2: Convert to fraction form
    1,167,250.80/1,749,904.20 = 493,849.20/x
  3. Step 3: Cross multiply
    1,167,250.80x = 1,749,904.20 × 493,849.20
  4. Step 4: Simplify right side
    1,167,250.80x = 864,188,789,246.64
  5. Step 5: Solve for x
    x = 864,188,789,246.64/1,167,250.80
  6. Step 6: Final answer
    x = 740,362.56

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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.