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Finding the Fourth Proportional to 465,527.66, 642,407.66 and 271,953.29

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Solution

The fourth proportional to 465,527.66, 642,407.66 and 271,953.29 is: 375,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,527.66 : 642,407.66 = 271,953.29 : x
  2. Step 2: Convert to fraction form
    465,527.66/642,407.66 = 271,953.29/x
  3. Step 3: Cross multiply
    465,527.66x = 642,407.66 × 271,953.29
  4. Step 4: Simplify right side
    465,527.66x = 174,704,873,407.35
  5. Step 5: Solve for x
    x = 174,704,873,407.35/465,527.66
  6. Step 6: Final answer
    x = 375,283.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.