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Finding the Fourth Proportional to 249,820.44, 375,110.82 and 218,212.44

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Solution

The fourth proportional to 249,820.44, 375,110.82 and 218,212.44 is: 327,650.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,820.44 : 375,110.82 = 218,212.44 : x
  2. Step 2: Convert to fraction form
    249,820.44/375,110.82 = 218,212.44/x
  3. Step 3: Cross multiply
    249,820.44x = 375,110.82 × 218,212.44
  4. Step 4: Simplify right side
    249,820.44x = 81,853,847,302.60
  5. Step 5: Solve for x
    x = 81,853,847,302.60/249,820.44
  6. Step 6: Final answer
    x = 327,650.72

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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.