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Finding the Fourth Proportional to 439,852.38, 659,843.37 and 159,304.02

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Solution

The fourth proportional to 439,852.38, 659,843.37 and 159,304.02 is: 238,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,852.38 : 659,843.37 = 159,304.02 : x
  2. Step 2: Convert to fraction form
    439,852.38/659,843.37 = 159,304.02/x
  3. Step 3: Cross multiply
    439,852.38x = 659,843.37 × 159,304.02
  4. Step 4: Simplify right side
    439,852.38x = 105,115,701,411.35
  5. Step 5: Solve for x
    x = 105,115,701,411.35/439,852.38
  6. Step 6: Final answer
    x = 238,979.50

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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.