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Finding the Fourth Proportional to 332,374.97, 498,361.98 and 154,921.79

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Solution

The fourth proportional to 332,374.97, 498,361.98 and 154,921.79 is: 232,289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,374.97 : 498,361.98 = 154,921.79 : x
  2. Step 2: Convert to fraction form
    332,374.97/498,361.98 = 154,921.79/x
  3. Step 3: Cross multiply
    332,374.97x = 498,361.98 × 154,921.79
  4. Step 4: Simplify right side
    332,374.97x = 77,207,130,009.54
  5. Step 5: Solve for x
    x = 77,207,130,009.54/332,374.97
  6. Step 6: Final answer
    x = 232,289.24

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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.