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Finding the Fourth Proportional to 490,792.88, 736,198.52 and 153,826.08

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Solution

The fourth proportional to 490,792.88, 736,198.52 and 153,826.08 is: 230,742.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,792.88 : 736,198.52 = 153,826.08 : x
  2. Step 2: Convert to fraction form
    490,792.88/736,198.52 = 153,826.08/x
  3. Step 3: Cross multiply
    490,792.88x = 736,198.52 × 153,826.08
  4. Step 4: Simplify right side
    490,792.88x = 113,246,532,433.40
  5. Step 5: Solve for x
    x = 113,246,532,433.40/490,792.88
  6. Step 6: Final answer
    x = 230,742.00

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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.