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Finding the Fourth Proportional to 445,871.28, 615,301.54 and 241,922.17

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Solution

The fourth proportional to 445,871.28, 615,301.54 and 241,922.17 is: 333,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,871.28 : 615,301.54 = 241,922.17 : x
  2. Step 2: Convert to fraction form
    445,871.28/615,301.54 = 241,922.17/x
  3. Step 3: Cross multiply
    445,871.28x = 615,301.54 × 241,922.17
  4. Step 4: Simplify right side
    445,871.28x = 148,855,083,761.14
  5. Step 5: Solve for x
    x = 148,855,083,761.14/445,871.28
  6. Step 6: Final answer
    x = 333,852.15

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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.