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Finding the Fourth Proportional to 360,847.76, 541,690.56 and 211,195.52

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Solution

The fourth proportional to 360,847.76, 541,690.56 and 211,195.52 is: 317,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,847.76 : 541,690.56 = 211,195.52 : x
  2. Step 2: Convert to fraction form
    360,847.76/541,690.56 = 211,195.52/x
  3. Step 3: Cross multiply
    360,847.76x = 541,690.56 × 211,195.52
  4. Step 4: Simplify right side
    360,847.76x = 114,402,619,498.29
  5. Step 5: Solve for x
    x = 114,402,619,498.29/360,847.76
  6. Step 6: Final answer
    x = 317,038.46

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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.