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Finding the Fourth Proportional to 303,456.71, 418,938.05 and 182,627.69

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Solution

The fourth proportional to 303,456.71, 418,938.05 and 182,627.69 is: 252,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,456.71 : 418,938.05 = 182,627.69 : x
  2. Step 2: Convert to fraction form
    303,456.71/418,938.05 = 182,627.69/x
  3. Step 3: Cross multiply
    303,456.71x = 418,938.05 × 182,627.69
  4. Step 4: Simplify right side
    303,456.71x = 76,509,688,324.60
  5. Step 5: Solve for x
    x = 76,509,688,324.60/303,456.71
  6. Step 6: Final answer
    x = 252,127.20

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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.